Provençal Roasted Vegetable Ratatouille

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A colorful medley of summer vegetables roasted to perfection with aromatic herbs, a classic French vegetarian dish. This french-inspired vegetarian (mediterranean) ready in about 45 minutes pairs medium eggplant, medium zucchini, red bell pepper for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 180 calories and feeds 6, 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.

★ 4.3 (8 ratings) Prep: 15 min Cook: 30 min Serves 6 French cuisine 180 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F. Toss 1-inch cubed eggplant, 1-inch cubed zucchini, 1 chopped red bell pepper, 1 small chopped onion, and 2 chopped medium tomatoes with 3 tbsp olive oil, 1 tsp salt, 1/2 tsp black pepper, and 3 minced garlic cloves in a large bowl.
  2. Step 2: Spread evenly on a parchment-lined baking sheet and roast for 25-30 minutes, stirring once halfway, until vegetables are tender and slightly caramelized at the edges.
  3. Step 3: Remove from oven, stir in 1 tbsp fresh thyme leaves, and let rest for 5 minutes before serving.

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Frequently asked questions

How long does Provençal Roasted Vegetable Ratatouille take to make?

Total time is about 45 minutes (15 min prep + 30 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 Provençal Roasted Vegetable Ratatouille?

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 medium eggplant from drying out.

Can I substitute ingredients in Provençal Roasted Vegetable Ratatouille?

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 Provençal Roasted Vegetable Ratatouille for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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.

What goes well with Provençal Roasted Vegetable Ratatouille?

French vegetarian like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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