Oven-Baked Ratatouille with Herbed Tomato Sauce
Layers of thinly sliced eggplant, zucchini, and bell peppers baked in a rich tomato sauce infused with fresh herbs. This french-inspired vegetarian ready in about 60 minutes blends olive oil, minced garlic cloves, canned crushed tomatoes into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 180 calories and feeds 4, so a small batch covers several meals across the week without taking over the fridge. 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 eggplant
- 1 medium, sliced into 1/4-inch rounds zucchini
- 1 large, sliced into thin strips red bell pepper
- 1 large, sliced into thin strips yellow bell pepper
- 3 tbsp olive oil
- 4 cloves, minced garlic cloves
- 1 1/2 cups canned crushed tomatoes
- 1 tsp, chopped fresh thyme
- 1/4 cup, chopped fresh basil
- 1 tsp salt
- 1/2 tsp black pepper
- 1/4 cup (optional) grated Parmesan cheese
Instructions
- Step 1: Preheat oven to 375°F. In a saucepan, heat 2 tbsp olive oil over medium heat. Add 4 minced garlic cloves and sauté for 1 minute until fragrant.
- Step 2: Stir in 1 1/2 cups canned crushed tomatoes, 1 tsp chopped fresh thyme, 1/4 cup chopped fresh basil, 1 tsp salt, and 1/2 tsp black pepper. Simmer for 10 minutes until sauce thickens slightly.
- Step 3: Spread tomato sauce evenly on the bottom of a 9x13-inch baking dish.
- Step 4: Arrange slices of 1 medium eggplant, 1 medium zucchini, 1 large red bell pepper, and 1 large yellow bell pepper in overlapping layers over the sauce.
- Step 5: Drizzle remaining 1 tbsp olive oil over the vegetables, cover with foil, and bake for 35 minutes.
- Step 6: Remove foil, sprinkle 1/4 cup grated Parmesan cheese if using, and bake uncovered for an additional 10 minutes until vegetables are tender and top is lightly browned.
- Step 7: Let cool for 5 minutes before serving.
Frequently asked questions
How long does Oven-Baked Ratatouille with Herbed Tomato Sauce take to make?
Total time is about 60 minutes (15 min prep + 45 min cook). A small batch typically covers several meals in the week — store as the recipe directs.
How do I store leftover Oven-Baked Ratatouille with Herbed Tomato Sauce?
Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.
Can I substitute ingredients in Oven-Baked Ratatouille with Herbed Tomato Sauce?
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 Herbed Tomato Sauce 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 Herbed Tomato Sauce?
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.
Equipment for this recipe
Top-rated tools to make this recipe successfully.