Nourishing Flourishing

Balsamic Caramelized Onion and Cherry Tomato Tart (GF, Grain-Free, + Vegan)

4 Oct

FRIENDS.

I’m back.

Sorry about the weeks-long hiatus. Life got crazy like whoa very, very quickly — pretty much as soon as my grad classes started up, and I took a new job, and so on. Enter: Katie’s Life Without Any Free Time Whatsoever. Thank you so much for being understanding and supportive while I adjusted! If I have missed an email or anything, please let me know; I’m worried that some things got lost in the chaos. : / Also. I’m going to aim for posting at least once a week from now on. Let’s hope I can manage that. I missed blogging! I missed chatting with you guys, cooking crazy things, and telling you about it. It’s true that having to take a break from the internet in general was also seriously refreshing. But I am delighted to be back. And with a very worthy recipe to celebrate!

Now let me explain — this recipe looks complicated. It looks like it will take hours to make. It looks like it has a lot of ingredients. But really, this took me about 45 minutes total, prep and cook time, and it’s actually fairly simple. Plus, doesn’t it just look and sound so classy?

Ok, I admit it; I’m a grad student who huddles around free food at lectures. And puts samples in my pockets. That have holes in them. My already questionable hygiene has taken a further hit due to studying. An apple with gobs of peanut butter suffices as a meal on (frequent) occasion. Nearly all my clothes are thrifted.

I know nothing of classiness.

I came across a photo of a Caramelized Tomato Tarte Tatin on Pinterest way back when, and while I wasn’t so keen on the recipe itself (especially since it had gluten in it, ha), I fell in love with the visual. I actually bought cherry tomatoes at the store every single week while I was away from the blog, vowing that I would find time to make the tomato tart of my dreams… And here we are, three or four weeks and pints of tomatoes later, with — at last! — my own gluten-free, grain-free, and vegan version of a savory tart. I knew I’d get around to it! Good thing those overripe, wrinkly, geriatric tomatoes are easily disguised by the oven’s magic. : )

Sweet and Savory Balsamic Caramelized Onion and Cherry Tomato Tart

This tart has a buttery crust that mimics a glutenous one beautifully. It is topped with sweet caramelized onions and garlic — I use red onions for a richer flavor. The touch of balsamic vinegar carries the sweetness of the onions and candy-sweet, juicy tomatoes, while also bringing the perfect amount of complexity and depth to this (surprisingly) simple, high-protein dish. It’s savory, sweet, and one of the most delicious things I have ever made.

Inspired by this Caramelized Tomato Tarte Tatin.

Ingredients:

Crust
1/2 C garbanzo bean (chickpea or besan) flour
1/2 C blanched almond flour (how to make your own)
1/2 teaspoon salt
1/4 C water
2 Tb extra virgin olive oil

Topping
1 small red onion (or half of a medium)
1.5 Tb extra virgin olive oil
salt
2 cloves garlic
2 Tb balsamic vinegar (plus more for drizzling)
1 pint cherry or grape tomatoes (you might not use all of it)


Recipe:

Crust
1) Mix dry ingredients in a bowl.
2) Add water and mix thoroughly with a fork.
3) Add olive oil and mix thoroughly.
4) Preheat oven to 350*. On a parchment-lined baking sheet, using wet hands, press dough into an even circle.
6) Using a fork, pierce the dough to create vents all over. Place in oven and begin working on topping. (You will remove the crust once it turns a light tan on the very edges.)

Tart Topping

1) As crust bakes, slice onion into thin rounds.
2) Heat olive oil in a cast-iron skillet over medium heat. Add onions.
3) Sprinkle onions generously with salt to make them sweat. Stir occasionally.
4) Chop garlic, and once onions are translucent and beginning to brown, add garlic.
5) Stir occasionally to keep garlic from burning, but since you want the onions to caramelize, you can just leave them alone for the most part. Once they turn a beautiful dark brown, turn off the burner, and add the balsamic vinegar.
6) Scrape the skillet as the vinegar reduces down and infuses the onions and garlic.
7) Your crust should be ready by now, if it wasn’t beforehand. Remove it when it is a light tan on the edges. Keep the oven on.
8 ) Spread the onion/garlic/balsamic mixture onto the crust.
9) Quickly slice the tomatoes in half and arrange on top of the onion mixture.
10) Return tart to oven. Once the edges of the tart are lightly browned (see pictures) and the tomatoes are cooked (starting to break and release their juice, or wrinkly, or swollen), remove. Drizzle with balsamic vinegar and serve.

Serves two as a meal, or six to eight as an appetizer.
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We literally devoured the entire thing in five minutes. There are simply no words. None.

And since I’ve probably overwhelmed you with the apparent length of the recipe, I’ll close it down here. (Also, it is waaay past my bedtime, and I am suddenly very committed to getting a solid set of hours in each night. Amazingly, sleep makes the waking hours more productive. Who knew, right?)

Yay — I’m blogging again! Give me a day or so to catch up on comments — it’s unlikely that I’ll be able to respond as quickly as in the past, but it is still so important to me to keep up our conversation. Comments and emails will always be a priority, so don’t think I care less just because I’m posting less! New recipes are coming, friends. I have so many tasty ideas percolating that I really had to restrain myself from experimenting in the kitchen all night on Sunday, when I made this dish. This is a very good thing.

OK — what did I miss this month? How have you been?!

Any requests?

xo.

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68 Responses to “Balsamic Caramelized Onion and Cherry Tomato Tart (GF, Grain-Free, + Vegan)”

  1. Caitlin@The Vegan Chickpea October 4, 2011 at 5:36 am #

    i love savory tarts! this looks delicious ;)

    • Katie @ Nourishing Flourishing October 4, 2011 at 8:25 am #

      Thanks Caitlin! I’m not gonna lie… it is! ;) At least we thought so. Going in the vault! :)

    • Amy December 2, 2011 at 4:55 pm #

      I love that this crust is grain-free. It looks gorgeous. You’ve definitely convinced me to buy bulk almond flour!

  2. Sarena (The Non-Dairy Queen) October 4, 2011 at 5:41 am #

    I’m glad things are going well, but sorry life has gotten so crazy. I’m with you on the good crazy too. I started working and wow, time is flying by! Not to mention, when I finally get home and settled, half the time I don’t even want to look at the computer due to exhaustion. The tart looks and sounds beyond amazing!

    • Katie @ Nourishing Flourishing October 4, 2011 at 8:27 am #

      I completely agree — the last thing I want to do after typing a paper or something is to be in front of my computer again. :)

      We loved the tart — you couldn’t tell it was GF, grain-free, or vegan, and that always tells me something good is goin’ on! Hope all is well <3

  3. Connie October 4, 2011 at 9:02 am #

    Hi Katie-
    So glad I discovered your website. This recipe looks amazing! I can’t wait to try it. I had a recipe about 26 years ago that was similar, but with many, many more caramelized onions, but lost it in a move to new house.:-( Haven’t found anything similar since. (And it wasn’t gluten free.) Everyone at Daily Forage will be excited to try this recipe. Best wishes to you on your new endeavors.

    • Katie @ Nourishing Flourishing October 6, 2011 at 4:43 pm #

      Hi Connie! Thanks for stopping by and taking the time to leave a comment :) I hope this recipe can be a decent substitute for the lost one — I think more onions sounds divine! At least this way you don’t have to “convert” anything to GF. ;) Let me know how it goes if you try it!

  4. Maryann October 4, 2011 at 9:31 am #

    Looks good and so good to see you back and 1x a week is good 4 me. I’m so busy working I don’t have much time to make things anyway. So I can get maybe a recipe here and there. Hope your school is going well. What is your goal? I know you have one Katie.

  5. Kat October 4, 2011 at 9:44 am #

    caramelized onions + balsamic + tomatoes = awesome! can’t wait to try this recipe!

  6. Erin @ Big Girl Feats October 4, 2011 at 10:18 am #

    Yay, glad you’re alive!! I totally feel you – my hygeine, hours of sleep and full meals have taken a hit in the last month. But I’m feeling less insane now and more committed to sleep and good food! You are a meal inspiration (mealspiration?) for me in that your recipes make me want to try new things instead of just having a sandwich for dinner because I spent 12 hours at work/class :)

    • Katie @ Nourishing Flourishing October 6, 2011 at 4:57 pm #

      Sistaahhh. I miss talking with you! I am totally committed to sleep now. Like, I have never loved sleep sohard in my entire life. Good food is making a comeback here, as well! Grad school, on the other hand… oye. Why did we want to do this again?!?!

      (#firstworldproblems complaint over)

      xoxoxoxoxo

  7. Hannah (Balancing on Two Feet) October 4, 2011 at 12:45 pm #

    Sooo glad to have you back! I was getting ready to send you another message and send out the search party! I hope classes and the like are going well!!!

  8. Noelle October 4, 2011 at 4:24 pm #

    This recipe will definitely be showing it’s face at my Friday night friends gathering. Also, glad to see you are blogging again. Whew! And also glad to hear you are getting good rest. Keep it up. Also, you are missed!

  9. Jennifer @ Peanut Butter and Peppers October 4, 2011 at 6:59 pm #

    That looks gorgeous! I love cherries!! I make Cherry Cobbler all the time, but your Tart, I think I need to make!

  10. Haley @ Health Freak College Girl October 4, 2011 at 7:36 pm #

    those pictures are so pretty!

    • Katie @ Nourishing Flourishing October 6, 2011 at 4:50 pm #

      That is so kind — especially because I hesitated to post them! I’m especially self-conscious of the photos I take in low-light situations, so this was very much appreciated :) xo.

  11. Tressa @ Hecka-Good Recipes October 5, 2011 at 7:43 pm #

    Oh boy! I am so excited to try this. I just got the most amazing balsamic vinegar. It’ll be perfect!

    • Katie @ Nourishing Flourishing October 6, 2011 at 4:48 pm #

      Yes! I used Newman’s Own Organic Balsamic and it was the richest, most delicious vinegar I’ve ever tasted. I’m sure yours will amp this up a few notches too! :)

  12. Kara October 6, 2011 at 12:26 am #

    ahhh i must try this! love that it’s gluten free! i just came across your blog and i will definitely be checking up on it! i nominated you for the versatile blogger award, pass it on! :)

  13. Karen October 6, 2011 at 4:19 pm #

    Hi Katie! Didn’t want to bother you when you where so busy,but several weeks ago I won a prize of a treat package. I haven’t received it and wanted to see if it had been sent. Thanks!

  14. Nancy B. October 6, 2011 at 7:37 pm #

    I just made this. It was really really good (and pretty). I baked it a little too long waiting for the tomatoes to wrinkle and then they wrinkled as soon as I took it out of the oven! The crust tasted good but was a little too toasty. I remember how wonderful it tastes in quiche!

    • Katie @ Nourishing Flourishing October 9, 2011 at 2:15 pm #

      Thanks for trying it and letting me know your results, Nancy! :) I changed the directions to reflect the issue you had so that hopefully it won’t get too toasty if anyone else gives it a go. I’m glad you mentioned that — it helps so much to have someone else make it and offer some feedback on how I can tweak the recipe directions to be more precise. Thanks again for your help!

      I love it in the quiche too; the fact that even my super-picky dad likes it tells me it’s a winner. ;) Hope you have a great week! xo.

  15. Jennifer (The Gourmetour) October 7, 2011 at 9:55 am #

    Yay!! I just got so excited to see you title.. especially after the one that I’ve gotten used to.. “I’m not dead”. Kind of a morbid title to have for a while!! haha!!

    I loooove how this looks. I am going to try to make this for my family when I visit them this weekend!

    • Katie @ Nourishing Flourishing October 9, 2011 at 2:16 pm #

      Ha — yes, very morbid indeed! Glad that I have a title now that’s a little more upbeat ;) I hope you got to make the tart and liked it! Let me know if you had any issues. Hope you had a great time with the fam! <3

  16. Nikita October 8, 2011 at 11:25 am #

    Yay, I’m glad you’re back! This is too funny though- I hadn’t posted in an entire month (slacker, I know)because of being busy with school and clinical rotations and my first post back was for a gluten-free cherry tomato tart! Who knew savory tarts were so amazing? I’m definitely going to be experimenting with more savory tart recipes and next time I will try your crust recipe!

    • Katie @ Nourishing Flourishing October 9, 2011 at 2:17 pm #

      I’m glad we’re back too! :) I love that we think alike — I totally agree…. why didn’t I try a savory tart sooner??? Ha. If you try the crust, let me know how it goes! xo.

  17. Alisa October 8, 2011 at 5:02 pm #

    Katie! Remember me? The even littler chickadee from the fitness blogger conference (which seems like eons ago now!)

    So glad Valerie posted about your blog today. It has been ages since I have checked in! Are you going to add an email subscription any time soon? I so want to subscribe!

    I just spent 15 minutes going through your posts and drooling. Everything looks amazing!

    • Katie @ Nourishing Flourishing October 9, 2011 at 2:21 pm #

      Alisa! So great to see you in the comments :D Valerie is way too kind; it was such a nice surprise to pop up on her blog! So, I laughed when I read your comment. I *really* need to make the email subscription more obvious — but it’s there! It’s the fourth button on the top of the page (it looks like a wooden circle with the RSS symbol in the middle). Or you can just click here and subscribe http://feeds.feedburner.com/NourishingFlourishing :) Thanks for your kind words, friend — so good to hear from you! I hope you are well!

  18. Sophie @ LoveLiveAndLearn October 10, 2011 at 2:46 am #

    That looks fantastic!
    Good to have you back :-)
    I missed your beautiful photos!

  19. Alex@Spoonful of Sugar Free October 12, 2011 at 9:10 am #

    This looks absolutely amazing!!! Ohmygoodness! Yumm…

    I think anything with the word “Balsamic” automatically sounds fancy-balsamic reduction, balsamic chicken, balsamic cake, balsamic dressing….

  20. Kierstan @ Life {and running} in Iowa October 12, 2011 at 3:04 pm #

    Wow. I need to make this this weekend!!

  21. Amber Shea @Almost Vegan October 12, 2011 at 7:49 pm #

    This is flippin’ beautiful. Looks like it’d be right at home on fancy dinner party spread.

  22. Angel7 October 12, 2011 at 8:18 pm #

    That tarte looks absolutely delish :) To me, it looks and sounds better than an actual sweet pie does, being that I do not have much of a sweet tooth :) I am all about salty foods, but like foods that are both sweet and savory at the same time, because it kind of balances things out.

    Thanks for sharing!

    http://faithfulsolutions.blogspot.com/

  23. Gena October 13, 2011 at 5:42 pm #

    We missed you!!! For beautiful and delicious recipes like this, and for your voice.

  24. Alexia @ NamasteYoga October 14, 2011 at 12:32 am #

    slow roasted tomatoes! oh how i could die for them! mhmmmm! looks delicious!

  25. Lou October 14, 2011 at 4:14 pm #

    Yum, what a great combination of delicious-ness! Balsamic, onions and tomatoes are all such good friends, and I love that sweetness baby tomatoes get from a slow-roasting. Really digging the idea of a socca-type base for it too, good call :)

  26. Ashleigh October 24, 2011 at 12:37 pm #

    Hi Katie,

    This looks amazing, I can’t wait to try it. What would you suggest as a substitute for the Almond flour? I’m allergic to nuts.

    Ashleigh.

    • Katie @ Nourishing Flourishing October 25, 2011 at 10:26 pm #

      Hi Ashleigh! Thanks for the question. To be honest, nut flour is so unique, I’m not sure what to suggest… Are you allergic to seeds, as well? If not, you might try lightly grinding sunflower seeds or some other kind of seeds and using that, but I really don’t know. If I figure something out I will let you know you right away. Let me ask around! xo.

      • Ashleigh October 26, 2011 at 12:38 pm #

        Seeds are fine, I tried to research a little as well, and kept coming up with quinoa flour, but man that’s expensive! I will check out the seed flour.

  27. Anastasia@healthymamainfo.com November 15, 2011 at 12:01 am #

    This dish sounds fantastic along with everything else in your blog!

  28. Anastasia@healthymamainfo.com December 6, 2011 at 11:11 pm #

    It looks awesome! can’t wait to try. Thanks!

  29. Julie-Ann February 18, 2012 at 9:39 pm #

    We made these for dinner last night – so.good. So good in fact that we made them again for lunch today. Cherry tomatoes are in season here so we get given a bag every week. Have you tried other toppings?

    • Katie @ Nourishing Flourishing March 18, 2012 at 4:45 pm #

      YAY! Thanks for letting me know how it turned out Julie-Ann! I haven’t really tried other toppings, mainly because I just think those little tomatoes are so pretty and juicy. :) Have you? I’m trying to think of what would be best to attempt next… Hm. Maybe thin slices of zucchini? Let me know if you have suggestions! xo.

  30. Christina July 10, 2012 at 6:44 pm #

    Made this for my roommates at my housing co-op tonight, and it was a huge hit! The only thing that I changed was that I added VERY thinly sliced tempeh between the onions and tomatoes, and on some of the pies, I did add asiago cheese, because I’m not vegan. So delicious! Definitely bookmarking this recipe to use again and again…

    • Katie @ Nourishing Flourishing July 15, 2012 at 10:34 am #

      Thanks so much for letting me know how it went, Christina! I’m delighted that it was well received. :) I think it’s generally a crowd-pleaser, too! xo.

  31. Shae October 6, 2012 at 4:25 am #

    Hi Katie, I made this tonight and it was delicious!! I didn’t change a thing, which is rare for me. Perfect just the way it is. Thanks for the recipe :)

    • Katie @ Nourishing Flourishing October 8, 2012 at 5:35 pm #

      Shae, thank you so much for trying the recipe, and for letting me know how it went! It made my day to read that you loved it. :) xo.

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