French Ratatouille with herb-infused tomato sauce served in a bowl garnished with fresh basil leaves.

French Ratatouille with Herb-Infused Tomato Sauce

Prep20 minCook50 minTotal70 min

Original recipe: 4 servings · Easy

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Ingredients

  • 1 medium

    cut into 1-inch cubes

  • 2 medium

    cut into 1-inch cubes

  • 1 large

    seeded and chopped into 1-inch pieces

  • 1 large

    seeded and chopped into 1-inch pieces

  • 3 tablespoons · ≈ 45 ml
  • 1 medium

    finely chopped

  • 3 cloves

    minced

  • 1 14.5-ounce can
  • 2 teaspoons
  • 1 teaspoon
  • ½ teaspoon
  • ¼ cup · ≈ 15 g

    chopped

Ingredient quantities adjust from the original 4 servings. Instructions and cooking times stay unchanged.

Measurement guide

tbsp = tablespoon · tsp = teaspoon. Use measuring spoons, not table cutlery. Metric equivalents are estimates. ¾ = three quarters; ½ = one half; ¼ = one quarter.

Directions

  1. Prepare the vegetables

    Begin by thoroughly washing all produce. Cut the eggplant, zucchini, and both the red and yellow bell peppers into uniform 1-inch cubes—this ensures even cooking and a pleasing presentation. Finely chop the onion and mince the garlic cloves, as these will build the flavor base. Organize all prepared vegetables before beginning to cook.

  2. Sauté onions and garlic

    Heat two tablespoons of olive oil in a large heavy-bottomed skillet or Dutch oven over medium heat. Add the finely chopped onions and cook gently, stirring frequently, until they become translucent and soft, about five minutes. Then, add the minced garlic; sauté for an additional minute until fragrant but not browned, to avoid bitterness.

  3. Cook the vegetables

    Next, add the cubed eggplant, zucchini, and bell peppers to the skillet. Stir thoroughly to coat the vegetables with the oil and onion mixture, encouraging even browning and flavor development. Cook uncovered for approximately ten minutes, stirring occasionally to prevent sticking. Vegetables should begin to soften yet retain some firmness, avoiding a mushy texture.

  4. Add tomatoes and herbs

    Pour the crushed canned tomatoes into the pan along with the herbs de Provence, salt, and ground black pepper. Stir thoroughly to blend all ingredients evenly. Lower the heat to a gentle simmer and cover the skillet to encourage all flavors to meld together while preventing excess evaporation.

  5. Simmer until tender

    Allow the mixture to simmer uncovered over low heat for about thirty minutes. Stir occasionally to prevent any vegetables or sauce from sticking to the pan bottom. By this stage, the vegetables should be tender but not falling apart, and the sauce thickened to a rich consistency with the flavors fully married.

  6. Finish with fresh basil

    Finally, remove the skillet from heat and stir in the remaining tablespoon of olive oil and the freshly chopped basil leaves. This fresh herb addition adds brightness and a subtle aromatic layer to the dish. Taste the ratatouille and adjust salt and pepper as needed. Serve warm as either a main vegetarian entrée or a flavorful side dish to complement proteins.

French ratatouille is a classic rustic vegetable stew from Provence, celebrated for its vibrant flavors and hearty texture. This recipe highlights a colorful mixture of eggplant, zucchini, and bell peppers, all simmered slowly in a richly herb-infused tomato sauce that brings the dish to life with warmth and depth.

The technique of cooking these fresh vegetables gently in the savory tomato base allows their individual flavors and textures to meld beautifully. This creates a tender yet slightly textured dish that captures the essence of traditional southern French cooking. The use of herbs de Provence elevates the sauce with characteristic aromas, making it a perfect accompaniment or a satisfying main course on its own.

Designed for cooks of all skill levels, this French ratatouille recipe provides clear, step-by-step instructions using simple ingredients and common kitchen tools. It brings a taste of the Mediterranean into your home kitchen with ease and authenticity.

How to Make French Ratatouille

  1. Prepare the vegetables: Begin by thoroughly washing all produce. Cut the eggplant, zucchini, and both the red and yellow bell peppers into uniform 1-inch cubes—this ensures even cooking and a pleasing presentation.
  2. Sauté onions and garlic: Heat two tablespoons of olive oil in a large heavy-bottomed skillet or Dutch oven over medium heat. Add the finely chopped onions and cook gently, stirring frequently, until they become translucent and soft, about five minutes.
  3. Cook the vegetables: Next, add the cubed eggplant, zucchini, and bell peppers to the skillet. Stir thoroughly to coat the vegetables with the oil and onion mixture, encouraging even browning and flavor development.
  4. Add tomatoes and herbs: Pour the crushed canned tomatoes into the pan along with the herbs de Provence, salt, and ground black pepper. Stir thoroughly to blend all ingredients evenly.
  5. Simmer until tender: Allow the mixture to simmer uncovered over low heat for about thirty minutes. Stir occasionally to prevent any vegetables or sauce from sticking to the pan bottom.
  6. Finish with fresh basil: Finally, remove the skillet from heat and stir in the remaining tablespoon of olive oil and the freshly chopped basil leaves. This fresh herb addition adds brightness and a subtle aromatic layer to the dish.

Equipment

  • large heavy-bottomed skillet or Dutch oven
  • wooden spoon
  • knife
  • cutting board
  • measuring spoons
  • measuring cups

Metric measurements

For the original 4 servings. This reference table stays fixed when you change the portions above.

Ingredient US amount Metric equivalent
eggplantcut into 1-inch cubes 1 medium 1 medium (about 1 lb/450 g)
zucchinicut into 1-inch cubes 2 medium 2 medium (about 1 lb/450 g total)
red bell pepperseeded and chopped into 1-inch pieces 1 large 1 large (about 7 oz/200 g)
yellow bell pepperseeded and chopped into 1-inch pieces 1 large 1 large (about 7 oz/200 g)
olive oil 3 tablespoons 45 ml
onionfinely chopped 1 medium 1 medium (about 6 oz/170 g)
garlic clovesminced 3 cloves 3 cloves
canned crushed tomatoes 1 14.5-ounce can 1 410 g can
herbs de Provence 2 teaspoons 2 tsp
salt 1 teaspoon 1 tsp
ground black pepper ½ teaspoon 1/2 tsp
fresh basil leaveschopped ¼ cup 15 g

Cooking tips

  • For even cooking, cut all vegetables to a similar size.
  • If the eggplant absorbs too much oil and seems dry, add a splash of water during cooking to prevent sticking.
  • Use fresh herbs de Provence or dried if unavailable for authentic flavor.
  • Let the ratatouille rest for a few minutes before serving to allow flavors to meld further.

Substitutions

  • Swap bell peppers for diced yellow summer squash for a milder flavor and softer texture.
  • Use fresh tomatoes peeled and chopped instead of canned crushed tomatoes; cook slightly longer to break down fresh tomatoes.
  • Replace herbs de Provence with a mix of dried thyme, rosemary, oregano, and marjoram if needed.

Storage and reheating

Leftover ratatouille can be stored safely in the refrigerator in an airtight container for up to four days. When reheating, warm it gently over low heat on the stovetop or use short intervals in the microwave, stirring occasionally to ensure even heating. To preserve the best texture and flavor, avoid reheating the dish multiple times.

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