French C'est Bon Ratatouille with Roasted Vegetables

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A classic French vegetable medley of eggplant, zucchini, peppers, and tomatoes, slow roasted to develop deep, sweet flavors. This french-inspired vegetarian ready in about 55 minutes pairs medium (1/2-inch thick rounds) zucchini, medium (sliced) yellow onion, medium (quartered) Roma tomatoes for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 140 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 140 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F (200°C). In a large bowl, combine 1 lb cubed eggplant, 2 medium sliced zucchini rounds, 1 large red bell pepper cut into 1-inch pieces, 1 large yellow bell pepper cut into 1-inch pieces, 1 medium sliced yellow onion, and 4 quartered Roma tomatoes.
  2. Step 2: Add 4 thinly sliced garlic cloves, 4 tbsp olive oil, 1 tsp kosher salt, 1/2 tsp black pepper, and 1 tbsp fresh thyme leaves. Toss gently to coat all vegetables evenly.
  3. Step 3: Spread the vegetables in a single layer on a large rimmed baking sheet. Roast in the preheated oven for 35-40 minutes, stirring halfway through, until tender and caramelized at the edges.
  4. Step 4: Remove from oven and stir in 2 tbsp chopped fresh basil. Taste and adjust seasoning if needed. Serve warm as a side dish or light main course.

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Frequently asked questions

How long does French C'est Bon Ratatouille with Roasted Vegetables 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 C'est Bon Ratatouille with Roasted Vegetables?

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 (sliced) yellow onion from drying out.

Can I substitute ingredients in French C'est Bon Ratatouille with Roasted Vegetables?

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 C'est Bon Ratatouille with Roasted Vegetables 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.

What goes well with French C'est Bon Ratatouille with Roasted Vegetables?

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.