Oven-Baked Ratatouille with Fresh Herbs and Garlic
Colorful layers of zucchini, eggplant, and tomatoes baked with aromatic herbs and garlic to tender perfection. This french-inspired vegetarian ready in about 65 minutes pairs olive oil, eggplant, zucchini for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 150 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
- 3 tbsp olive oil
- 1 medium (1 lb), sliced into 1/4-inch rounds eggplant
- 2 medium (1 lb), sliced into 1/4-inch rounds zucchini
- 4 medium, sliced into 1/4-inch rounds roma tomatoes
- 1 small, thinly sliced yellow onion
- 4 cloves, minced garlic cloves
- 1 tbsp fresh thyme leaves
- 1/4 cup chopped fresh basil leaves
- 1 tsp salt
- 1/2 tsp black pepper
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Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Preheat oven to 375°F and lightly grease a 9-inch round baking dish with 1 tbsp olive oil.
- Step 2: In a skillet over medium heat, warm 2 tbsp olive oil and add 1 small thinly sliced yellow onion and 4 minced garlic cloves; sauté for 5 minutes until softened and fragrant.
- Step 3: Spread the onion and garlic mixture evenly on the bottom of the baking dish.
- Step 4: Arrange alternating slices of 1 medium eggplant, 2 medium zucchini, and 4 roma tomatoes in overlapping concentric circles on top of the onion layer.
- Step 5: Sprinkle 1 tbsp fresh thyme leaves, 1 tsp salt, and 1/2 tsp black pepper evenly over the vegetables.
- Step 6: Cover the dish with foil and bake for 40 minutes until vegetables are tender.
- Step 7: Remove foil, drizzle 1 tbsp olive oil over the top, and bake uncovered for another 10 minutes until edges are slightly caramelized.
- Step 8: Garnish with 1/4 cup chopped fresh basil leaves before serving warm as a side or main dish.
Frequently asked questions
How long does Oven-Baked Ratatouille with Fresh Herbs and Garlic take to make?
Total time is about 65 minutes (15 min prep + 50 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 Fresh Herbs and Garlic?
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 Fresh Herbs and Garlic?
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 Fresh Herbs and Garlic 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.
Is Oven-Baked Ratatouille with Fresh Herbs and Garlic vegetarian?
Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
