Slow-Cooked Ratatouille with Root Vegetables
A rustic, slow-cooked ratatouille featuring a medley of root vegetables and herbs. This french-inspired slow cooker (vegetarian) ready in about 380 minutes pairs eggplant, cubed, zucchini, sliced, carrots, peeled and diced 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 cups eggplant, cubed
- 2 cups zucchini, sliced
- 1 cup carrots, peeled and diced
- 1 cup parsnip, peeled and diced
- 1 large yellow onion, chopped
- 3 cloves garlic cloves, minced
- 3 tbsp olive oil
- 1 (14 oz) can crushed tomatoes
- 1 tsp dried thyme
- 1/2 tsp dried rosemary
- 1 leaf bay leaf
- 1 tsp salt
- 1/2 tsp black pepper
- 1/4 cup fresh basil, chopped
- 1/4 tsp (optional) red pepper flakes
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: In a large slow cooker, combine 2 cups cubed eggplant, 2 cups sliced zucchini, 1 cup diced carrots, 1 cup diced parsnip, and 1 large chopped yellow onion.
- Step 2: Add 3 minced garlic cloves, 3 tbsp olive oil, 1 (14 oz) can crushed tomatoes, 1 tsp dried thyme, 1/2 tsp dried rosemary, and 1 bay leaf. Season with 1 tsp salt and 1/2 tsp black pepper.
- Step 3: Stir all ingredients thoroughly to combine, then cover and cook on low heat for 6-7 hours, or on high for 3-4 hours, until vegetables are tender and flavors meld.
- Step 4: Remove the bay leaf, stir in 1/4 cup chopped fresh basil and 1/4 tsp red pepper flakes if using, mixing well before serving warm as a comforting vegetable stew.
Frequently asked questions
How long does Slow-Cooked Ratatouille with Root Vegetables take to make?
Total time is about 380 minutes (20 min prep + 360 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-Cooked Ratatouille with Root Vegetables?
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 eggplant, cubed from drying out.
Can I substitute ingredients in Slow-Cooked Ratatouille with Root Vegetables?
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-Cooked Ratatouille with Root Vegetables 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-Cooked Ratatouille with Root Vegetables 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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