French-Style Ratatouille with Roasted Garlic and Thyme

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

A rustic vegetable stew of eggplant, zucchini, and bell peppers simmered with roasted garlic and fresh thyme, perfect as a comforting vegetarian main or side. This french-inspired vegetarian (vegetarian) ready in about 60 minutes pairs large red bell pepper, diced, large yellow bell pepper, diced, large tomatoes, diced 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: 15 min Cook: 45 min Serves 4 French cuisine 180 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F. Place 6 whole garlic cloves on a small baking sheet, drizzle with 1 tbsp olive oil, and roast for 20 minutes until soft and fragrant.
  2. Step 2: While garlic roasts, heat 3 tbsp olive oil in a large heavy skillet over medium heat. Add 1 medium diced eggplant and cook for 5 minutes until slightly softened.
  3. Step 3: Add 2 diced zucchinis, 1 diced red bell pepper, and 1 diced yellow bell pepper to the skillet. Cook, stirring occasionally, for 8 minutes until vegetables begin to brown.
  4. Step 4: Stir in 3 diced large tomatoes, roasted garlic cloves (squeezed from skin), 4 fresh thyme sprigs, 1 1/2 tsp salt, and 1 tsp black pepper. Reduce heat to low, cover, and simmer for 15 minutes until vegetables are tender and flavors meld.
  5. Step 5: Remove thyme sprigs and stir in 1/4 cup chopped fresh basil leaves. Adjust seasoning if needed and serve warm.

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Frequently asked questions

How long does French-Style Ratatouille with Roasted Garlic and Thyme take to make?

Total time is about 60 minutes (15 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 French-Style Ratatouille with Roasted Garlic and Thyme?

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 large red bell pepper, diced from drying out.

Can I substitute ingredients in French-Style Ratatouille with Roasted Garlic and Thyme?

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 French-Style Ratatouille with Roasted Garlic and Thyme 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 French-Style Ratatouille with Roasted Garlic and Thyme 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.