Slow-Roasted Ratatouille with Herbs
Layered summer vegetables roasted low and slow with garlic and fresh herbs, creating a deeply savory vegetable medley. This mediterranean-inspired one pot (vegetarian) ready in about 70 minutes pairs medium, sliced 1/4-inch thick zucchini, medium, sliced 1/4-inch thick eggplant, medium, sliced 1/4-inch thick red onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 180 calories and feeds 6, 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
- 2 medium, sliced 1/4-inch thick zucchini
- 1 medium, sliced 1/4-inch thick eggplant
- 2, sliced 1/4-inch thick yellow bell peppers
- 1 medium, sliced 1/4-inch thick red onion
- 4, minced garlic cloves
- 2 tsp, chopped fresh thyme
- 1 tsp, chopped fresh rosemary
- 3 tbsp olive oil
Instructions
- Step 1: Preheat oven to 375°F (190°C). In a large bowl, toss zucchini, eggplant, bell peppers, and red onion with 2 tbsp olive oil, minced garlic, thyme, and rosemary until evenly coated.
Frequently asked questions
How long does Slow-Roasted Ratatouille with Herbs take to make?
Total time is about 70 minutes (25 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 Slow-Roasted Ratatouille with Herbs?
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 minced garlic cloves from drying out.
Can I substitute ingredients in Slow-Roasted Ratatouille with Herbs?
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 Slow-Roasted Ratatouille with Herbs for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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 Slow-Roasted Ratatouille with Herbs 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.
What others are saying
- ★★★★★
My kids loved this dish at dinner tonight. Even the picky eater ate it all!
- ★★★★★
The slow-roasting brought out the best in the vegetables. Perfectly tender and flavorful.
- ★★★★☆
Tasted great, but I think I needed a bit more salt. Still 4 stars.
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