French-Style Ratatouille with Roasted Vegetables and Fresh Herbs

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A rustic French vegetable stew featuring roasted eggplant, zucchini, and bell peppers simmered in a rich tomato sauce infused with fresh herbs. This french-inspired vegetarian (vegetarian) ready in about 55 minutes pairs large red bell pepper, diced, large yellow bell pepper, diced, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 150 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 40 min Serves 4 French cuisine 150 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 425°F. Toss 1 medium diced eggplant (about 1 lb), 2 medium diced zucchini, 1 large diced red bell pepper, and 1 large diced yellow bell pepper with 2 tbsp olive oil and 1/2 tsp salt. Spread evenly on a baking sheet and roast for 25 minutes until tender and slightly caramelized.
  2. Step 2: While vegetables roast, heat 2 tbsp olive oil in a large skillet over medium heat. Add 1 medium diced onion and sauté for 5 minutes until translucent. Stir in 4 minced garlic cloves and cook for 1 minute until fragrant.
  3. Step 3: Add 1 1/2 cups canned crushed tomatoes, 1 tbsp fresh thyme leaves, 1 tsp black pepper, and 1 tsp salt to the skillet. Simmer for 10 minutes until sauce thickens.
  4. Step 4: Stir the roasted vegetables into the tomato sauce, add 1/4 cup chopped fresh basil, and cook together for 5 more minutes over low heat to blend flavors. Serve warm.

Frequently asked questions

How long does French-Style Ratatouille with Roasted Vegetables and Fresh Herbs take to make?

Total time is about 55 minutes (15 min prep + 40 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover French-Style Ratatouille with Roasted Vegetables and Fresh Herbs?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep large red bell pepper, diced from drying out.

Can I substitute ingredients in French-Style Ratatouille with Roasted Vegetables and Fresh Herbs?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale French-Style Ratatouille with Roasted Vegetables and Fresh Herbs for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is French-Style Ratatouille with Roasted Vegetables and Fresh Herbs vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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