Slow-Roasted Garden Vegetable Ratatouille
A rustic medley of summer vegetables simmered with garlic and herbs until tender, served as a vibrant side or light main. This french-inspired vegetarian ready in about 70 minutes pairs olive oil, medium, diced 1/2-inch eggplant, medium, diced 1/2-inch zucchini for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 220 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
- 2 tbsp olive oil
- 1 medium, diced 1/2-inch eggplant
- 1 medium, diced 1/2-inch zucchini
- 1, diced 1/2-inch red bell pepper
- 1, diced 1/2-inch yellow bell pepper
- 1 medium, diced onion
- 3 cloves, minced garlic
- 1 cup diced tomatoes
- 2 tbsp, leaves fresh thyme
- 1 tbsp, chopped fresh rosemary
Instructions
- Step 1: Heat 2 tbsp olive oil in large Dutch oven over medium heat. Add 1 medium onion, diced, and cook 5 minutes until softened. Add 3 cloves garlic, minced, and cook 1 minute until fragrant.
- Step 2: Add 1 medium eggplant, diced 1/2-inch, 1 medium zucchini, diced 1/2-inch, 1 red bell pepper diced 1/2-inch, and 1 yellow bell pepper, diced 1/2-inch. Cook 10 minutes, stirring occasionally, until vegetables soften slightly.
- Step 3: Stir in 1 cup diced tomatoes, 2 tbsp fresh thyme, 1 tbsp fresh rosemary, and season with salt and pepper. Cover, reduce heat to low, and simmer 45 minutes until vegetables are tender and flavors meld.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Slow-Roasted Garden Vegetable Ratatouille take to make?
Total time is about 70 minutes (20 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 Slow-Roasted Garden 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 olive oil from drying out.
Can I substitute ingredients in Slow-Roasted Garden 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 Slow-Roasted Garden 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.
What goes well with Slow-Roasted Garden Vegetable Ratatouille?
French vegetarian like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
What others are saying
- ★★★★☆
Good flavors but the sauce was a bit thin. I'd reduce it longer.
- ★★★★☆
Solid recipe. Not groundbreaking but definitely making it again.
- ★★★☆☆
Not bad. Would need significant modifications to make it a regular.
