Baked Italian-Style Ratatouille with Fresh Basil

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

An oven-baked medley of zucchini, eggplant, and tomatoes layered and seasoned with Italian herbs, finished with fresh basil for a fragrant touch. This italian-inspired vegetarian (vegetarian) ready in about 65 minutes pairs medium, thinly sliced zucchini, medium, thinly sliced eggplant, medium, thinly sliced ripe tomatoes for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 180 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: 20 min Cook: 45 min Serves 4 Italian cuisine 180 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 375°F. In a small bowl, mix 3 tbsp olive oil with 2 minced garlic cloves, 1 tsp dried oregano, 1 tsp salt, and 1/2 tsp black pepper.
  2. Step 2: Lightly oil a 9-inch round baking dish with 1 tbsp of the garlic-oregano olive oil mixture.
  3. Step 3: Arrange alternating slices of 1 medium zucchini, 1 medium eggplant, and 3 medium tomatoes vertically in the dish, overlapping slightly to form a spiral pattern.
  4. Step 4: Drizzle the remaining garlic-oregano oil evenly over the arranged vegetables.
  5. Step 5: Cover the dish with foil and bake for 30 minutes, then uncover and bake an additional 15 minutes until the vegetables are tender and slightly caramelized.
  6. Step 6: Remove from oven and sprinkle 1/4 cup grated Parmesan cheese and 1/4 cup chopped fresh basil over the top before serving.

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Frequently asked questions

How long does Baked Italian-Style Ratatouille with Fresh Basil take to make?

Total time is about 65 minutes (20 min prep + 45 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 Baked Italian-Style Ratatouille with Fresh Basil?

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 Baked Italian-Style Ratatouille with Fresh Basil?

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 Baked Italian-Style Ratatouille with Fresh Basil 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 Baked Italian-Style Ratatouille with Fresh Basil 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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