Oven-Baked Mediterranean Vegetable Ratatouille
A colorful mix of zucchini, eggplant, bell peppers, and tomatoes baked with herbs and olive oil for a vibrant Mediterranean side dish. This mediterranean-inspired vegetarian (vegetarian) ready in about 55 minutes pairs diced red bell pepper, diced yellow bell pepper, chopped roma tomatoes 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
- 1, sliced into 1/4-inch rounds medium zucchini
- 1, diced into 1/2-inch cubes medium eggplant
- 1, diced red bell pepper
- 1, diced yellow bell pepper
- 3, chopped roma tomatoes
- 4 tbsp olive oil
- 3 cloves minced garlic cloves
- 1 tsp dried oregano
- 1 tsp dried thyme
- 1 tsp salt
- 1/2 tsp black pepper
- 1/4 cup, chopped fresh basil leaves
Instructions
- Step 1: Preheat oven to 400°F and lightly grease a 9x13-inch baking dish with 1 tbsp olive oil.
- Step 2: In a large bowl, combine 1 sliced medium zucchini, 1 diced medium eggplant, 1 diced red bell pepper, 1 diced yellow bell pepper, and 3 chopped roma tomatoes.
- Step 3: Add 4 tbsp olive oil, 3 minced garlic cloves, 1 tsp dried oregano, 1 tsp dried thyme, 1 tsp salt, and 1/2 tsp black pepper to the vegetables. Toss well to evenly coat.
- Step 4: Transfer the vegetable mixture to the prepared baking dish and spread out evenly.
- Step 5: Bake for 35-40 minutes, stirring halfway through, until vegetables are tender and slightly caramelized at the edges.
- Step 6: Remove from oven and stir in 1/4 cup chopped fresh basil leaves. Serve warm as a side or main for a vegetarian meal.
Frequently asked questions
How long does Oven-Baked Mediterranean Vegetable Ratatouille 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 Oven-Baked Mediterranean Vegetable Ratatouille?
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 diced red bell pepper from drying out.
Can I substitute ingredients in Oven-Baked Mediterranean Vegetable Ratatouille?
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 Mediterranean Vegetable Ratatouille 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 Mediterranean Vegetable Ratatouille 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.
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