Set-It-and-Forget-It Summer Veggie Delight: Slow Cooker Ratatouille

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Ratatouille, the iconic French vegetable stew, is a vibrant and flavorful dish perfect for any season. Traditionally prepared in a skillet, this recipe offers a simplified version using your trusty slow cooker. It’s a fantastic option for a fuss-free weeknight meal, letting the slow cooker work its magic while you get on with your day.

This recipe boasts a medley of colorful vegetables simmered in a rich tomato and herb broth, resulting in a satisfying and healthy dish.

Slow-Cooker Ratatouille Recipe (Easy)  The Kitchn
Slow-Cooker Ratatouille Recipe (Easy) The Kitchn


1 tablespoon olive oil

  • 1 medium yellow onion, diced
  • 2 cloves garlic, minced
  • 1 red bell pepper, diced
  • 1 yellow bell pepper, diced
  • 1 zucchini, diced
  • 1 eggplant, diced (peeled if desired)
  • (14.5 oz) can diced tomatoes, undrained
  • (14.5 oz) can vegetable broth
  • 2 tablespoons tomato paste
  • 1 teaspoon dried oregano
  • 1/2 teaspoon dried thyme
  • Salt and freshly ground black pepper, to taste
  • Fresh chopped parsley, for garnish (optional)

  • Directions:

    1. Heat olive oil in a large skillet over medium heat. Add the onion and cook until softened, about 5 minutes. Stir in the garlic and cook for an additional minute until fragrant.
    2. Transfer the onion and garlic mixture to your slow cooker. Add the diced bell peppers, zucchini, eggplant, diced tomatoes with their juices, vegetable broth, tomato paste, oregano, thyme, salt, and pepper.
    3. Give everything a good stir to combine. Cover the slow cooker and cook on low for 6-8 hours, or on high for 4-5 hours, until the vegetables are tender and the flavors have melded.
    4. Once cooked, season the ratatouille to taste with additional salt and pepper, if needed. Garnish with fresh chopped parsley for a pop of color, if desired.

    Nutrition Facts (per serving)

    Calories: Approximately 200 (depending on specific ingredients used)

  • Fat: 8g
  • Carbohydrates: 25g
  • Fiber: 5g
  • Protein: 5g

  • Note: These are estimates only. Actual nutritional values may vary depending on the brands of ingredients used.


    This slow cooker ratatouille is a delightful and effortless way to enjoy a nutritious vegetarian meal. With minimal prep work and hours of hands-off cooking, it’s a perfect recipe for busy schedules. The combination of fresh vegetables creates a symphony of flavors, making it a crowd-pleaser for all ages. So next time you’re looking for a simple yet satisfying dish, give this slow cooker ratatouille a try!


    1. Can I use frozen vegetables in this recipe?

    Absolutely! Frozen vegetables are a convenient option and work perfectly in this recipe. Simply add them frozen to the slow cooker with the other ingredients. You may need to adjust the cooking time slightly, as frozen vegetables release more moisture.

    2. What can I serve with ratatouille?

    Ratatouille is a versatile dish that can be enjoyed on its own or paired with various accompaniments. Here are some ideas:

    Crusty bread for dipping

  • Cooked rice or quinoa
  • A simple green salad
  • Crusty baked potatoes

  • 3. Can I make this recipe vegan?

    Yes, you can easily make this recipe vegan by using vegetable broth instead of chicken or beef broth.

    4. How can I store leftover ratatouille?

    Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Reheat gently on the stovetop over low heat or in the microwave until warmed through.

    5. Can I add other vegetables to this recipe?

    Of course! Feel free to experiment with additional vegetables like summer squash, green beans, or mushrooms. Simply adjust the cooking time if necessary, depending on the hardness of the vegetables you choose.