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
Equipment for this recipe
Top-rated tools to make this recipe successfully.
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.
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.
