Herbed Ratatouille with Roasted Garlic and Basil

By AislePrompt Editorial · Published 2026-06-08 · Updated 2026-06-08

A vibrant vegetable medley slow-roasted with fresh herbs and garlic to bring out deep, hearty flavors. This French-inspired vegetarian recipe, ready in about 55 minutes, pairs eggplant, zucchini, 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 (1 lb), diced into 1-inch cubes eggplant
• 1 medium (7 oz), diced into 1-inch cubes zucchini
• 1 large, seeded and diced into 1-inch pieces red bell pepper
• 1 medium, chopped yellow onion
• 3 medium, chopped roma tomatoes
• 6 whole, peeled garlic cloves
• 4 tbsp olive oil
• 2 tsp fresh thyme leaves
• 1/4 cup chopped fresh basil leaves
• 1 1/2 tsp salt
• 1/2 tsp black pepper

The sheet pan we’d roast this on → Best Sheet Pans in 2026: Top Picks + Buying Guide

Instructions

1. Step 1: Preheat oven to 400°F. In a large mixing bowl, combine 1 medium diced eggplant, 1 medium diced zucchini, 1 large diced red bell pepper, 1 medium chopped yellow onion, 3 chopped roma tomatoes, and 6 whole peeled garlic cloves.
2. Step 2: Drizzle 4 tbsp olive oil over the vegetables and sprinkle with 2 tsp fresh thyme leaves, 1 1/2 tsp salt, and 1/2 tsp black pepper. Toss gently to coat all pieces evenly.
3. Step 3: Spread the vegetable mixture in an even layer on a large rimmed baking sheet. Roast in the oven for 35-40 minutes, stirring halfway through, until vegetables are tender and edges caramelize.
4. Step 4: Remove from oven and stir in 1/4 cup chopped fresh basil leaves while still warm. Adjust seasoning with additional salt if needed. Serve warm or at room temperature.