Oven-Baked Ratatouille with Herbes de Provence

By AislePrompt Editorial · Published 2026-05-19 · Updated 2026-05-19

A colorful vegetable medley of zucchini, eggplant, bell pepper, and tomato baked with fragrant Herbes de Provence and garlic. This French-inspired vegetarian recipe, ready in about 70 minutes, pairs zucchini, eggplant, red bell pepper 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.

Ingredients

• 1 medium, sliced into 1/4-inch rounds zucchini
• 1 medium, sliced into 1/4-inch rounds eggplant
• 1 large, thinly sliced red bell pepper
• 1 large, thinly sliced yellow bell pepper
• 3 medium, sliced into 1/4-inch rounds tomatoes
• 3 tbsp olive oil
• 4 cloves, minced garlic cloves
• 2 tsp Herbes de Provence
• 1 tsp salt
• 1/2 tsp black pepper
• 1/4 cup, chopped fresh basil leaves

The chef’s knife we’d prep this with → Best Chef's Knives for 2026: Top Picks + Buying Guide

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.