Oven-Baked Ratatouille with Herbes de Provence

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A colorful vegetable medley of zucchini, eggplant, bell pepper, and tomato baked with fragrant Herbes de Provence and garlic. This french-inspired vegetarian ready in about 70 minutes pairs large, thinly sliced red bell pepper, large, thinly sliced yellow bell pepper, olive oil 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: 55 min Serves 4 French cuisine 140 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 375°F. In a small bowl, combine 3 tbsp olive oil, 4 minced garlic cloves, 2 tsp Herbes de Provence, 1 tsp salt, and 1/2 tsp black pepper.
  2. Step 2: Lightly grease a 9x13 inch baking dish with 1 tbsp of the olive oil mixture.
  3. Step 3: Arrange slices of 1 medium zucchini, 1 medium eggplant, 1 large red bell pepper, 1 large yellow bell pepper, and 3 medium tomatoes in alternating layers standing upright in the baking dish.
  4. Step 4: Drizzle the remaining olive oil-herb mixture evenly over the arranged vegetables.
  5. Step 5: Cover the dish tightly with foil and bake for 40 minutes.
  6. Step 6: Remove foil and bake uncovered for an additional 15 minutes until vegetables are tender and edges slightly caramelized.
  7. Step 7: Sprinkle 1/4 cup chopped fresh basil leaves over the top before serving warm.

Equipment for this recipe

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Frequently asked questions

How long does Oven-Baked Ratatouille with Herbes de Provence take to make?

Total time is about 70 minutes (15 min prep + 55 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 Oven-Baked Ratatouille with Herbes de Provence?

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 olive oil from drying out.

Can I substitute ingredients in Oven-Baked Ratatouille with Herbes de Provence?

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 Oven-Baked Ratatouille with Herbes de Provence 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 Oven-Baked Ratatouille with Herbes de Provence?

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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