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Oven-Roasted Ratatouille with Canned Tomatoes

Ratatouille makes frequent appearances in our summer recipe rotation. It calls for the all the right veggies—squash, peppers, eggplant—and it holds up really nicely in the fridge. (In fact, it’s actually better the next day or the day after. The flavors get cozy and acquainted.) Our recipe lets you in on two techniques to make things easier in the kitchen: canned tomatoes, because they’re just as good as fresh in this instance; and oven roasting the ratatouille instead of standing over the stove stirring.

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Oven-Roasted Ratatouille with Canned Tomatoes

  • Author: Misfits Market


When time is limited and you don’t have any fresh tomatoes on hand, lean on canned tomatoes. Use a heavy-based Dutch Oven or baking dish to roast your ratatouille, cutting down the time you need to stand, stirring at the stove. This is best made a couple of days before you would like to serve it—allowing the ratatouille to sit overnight will develop the flavors considerably.




  1. Preheat oven to 350 degrees.
  2. Put diced zucchini, eggplant, onions, and peppers into a large bowl. Add whole peeled garlic, salt, and oil. Mix in gently until everything is evenly coated.
  3. Put veggies into a heavy based oven-safe baking dish or Dutch oven. Pour in tomato puree and add garlic powder, onion powder, and sugar. Mix to combine.
  4. Cover with a lid or foil and roast for 2 hours or until veggies are soft and cooked through. Remove the lid after 1 hour and 45 minutes and use the last 15 minutes to allow the veggies to caramelize. Taste and season with more salt, pepper, or sugar as desired.
  5. Before serving, add in a few leaves of fresh basil.


Things to do with your roasted ratatouille:

  • Spoon warm ratatouille on top of  toasted zucchini bread and top with Parmesan shavings.
  • Out of pre-made marinara sauce? Purée ratatouille in a food processor and pour over hot pasta. Top with grated Parmesan.
  • Or, serve with roasted meats. Ratatouille is a match made in heaven with lamb chops!

Comments (6)

I was so excited when I saw beets in my last shipment but ended up very disappointed that 2 days later when I went to cook them that 2 of the 3 I received were soft. So I only ended up with one beet to enjoy. I expect that although the vegetables may not be pretty, I should be able to keep them for more than a day or two. If I need to eat these vegetables in less than 2 days than I won’t be able continue buying them.

Hi Marilyn, we’re sorry to hear that your beets were soft after only a few days! One of our favorite tricks to harden up soft beets is to put them in a bowl or container of water—just enough to cover the beets. After a day, they will harden back up and can be roasted and eaten like normal! We hope you give us another try.

I am anxiously waiting for my first box to arrive on Friday. I hope it contains the veggies needed to try this recipe. It looks delish but find the amount of oil (1 cup), salt (2 Tbls + 1/2 tsp) and sugar (1 1/2 tsp) to be quite high. Otherwise it would be a very healthy recipe. I will definitely modify and / or eliminate the quantity of these ingredients when I do have the opportunity to make the recipe.

I received my first box and was basically pleased. My 1 and 3/4 beets were moldy but everything else was fresh. I’ll give it another try. I’m baking this recipe as I type.

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