Herb-Infused Ratatouille with Garlic and Thyme

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

A rustic vegetable stew bursting with the flavors of garlic, fresh thyme, and ripe summer vegetables slow-cooked to tender perfection. This french-inspired vegetarian ready in about 55 minutes pairs eggplant, diced into 1-inch cubes, zucchini, diced into 1-inch cubes, yellow bell pepper, diced for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 150 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.

Prep: 15 min Cook: 40 min Serves 6 French cuisine 150 cal/serving
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Ingredients

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Instructions

  1. Step 1: Heat 4 tbsp olive oil in a large heavy-bottomed pot over medium heat. Add 1 large diced yellow onion and 4 minced garlic cloves, sauté for 4-5 minutes until softened and fragrant.
  2. Step 2: Add 1 medium diced eggplant (about 1 lb), 2 diced zucchinis, 1 large yellow bell pepper, and 1 large red bell pepper to the pot. Cook, stirring occasionally, for 10 minutes until vegetables begin to soften.
  3. Step 3: Stir in 1 cup crushed canned tomatoes, 3 fresh thyme sprigs, 1 1/2 tsp salt, 1 tsp black pepper, and 1/4 tsp red pepper flakes if using. Reduce heat to low, cover, and simmer for 25 minutes until all vegetables are tender and flavors meld.
  4. Step 4: Remove thyme sprigs, stir in 1/4 cup chopped fresh basil, adjust seasoning if necessary, and serve warm with crusty bread or as a side.

Frequently asked questions

How long does Herb-Infused Ratatouille with Garlic and Thyme take to make?

Total time is about 55 minutes (15 min prep + 40 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 Herb-Infused Ratatouille with 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 yellow bell pepper, diced from drying out.

Can I substitute ingredients in Herb-Infused Ratatouille with 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 Herb-Infused Ratatouille with Garlic and Thyme 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 Herb-Infused Ratatouille with 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.

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