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Square close up photo of ratatouille on top of a baguette.

Slow Cooker Ratatouille

If you are looking for an easy and delicious way to get your veggies, give this Slow Cooker Ratatouille a try! It makes a beautiful vegan main course or a healthy appetizer. Once you make Ratatouille in your Crockpot, you will never go back to making it on the stove.
Course Side Dish
Cuisine American, Gluten Free, Healthy
Diet Vegan, Vegetarian
Keyword Crock Pot Ratatouille Recipe, Slow Cooker Ratatouille
Prep Time 20 minutes
Cook Time 3 hours 30 minutes
Total Time 3 hours 50 minutes
Servings 8
Calories 61kcal


  • 28 ounces diced tomatoes undrained
  • 1 eggplant cut into ½ inch pieces
  • 2 zucchini cut into ½ inch pieces
  • 2 yellow squash cut into ½ inch piece
  • 1 red pepper seeded and diced
  • 1 onion diced
  • 1 tablespoon minced garlic
  • 1 ½ teaspoons sea salt
  • 1 teaspoon Italian seasoning
  • ¼ teaspoon crushed red pepper
  • ¼ teaspoon fresh ground black pepper
  • 1 teaspoon tomato paste
  • 1 tablespoon chopped fresh parsley or chives


  • In a 5- to 6- quart slow cooker, stir together tomatoes, eggplant, zucchini, squash, , red pepper, onion, garlic, salt, Italian seasoning, crushed red pepper and black pepper. 
  • Cook on HIGH for 3 ½ hours or LOW for 6 to 8 hours
  • Add tomato paste and parsley and cook uncovered for an additional 30 minutes. 
  • If desired, drizzle with olive oil and sprinkle with fresh parsley or chives before serving.


Serving Suggestions for Crockpot Ratatouille

  • Serve it on top of baguette.
  • Use as a stuffing for crepes.
  • Serve it over gluten-free pasta with a sprinkle of Parmesan cheese.
  • Serve with a drizzle of balsamic reduction, fresh basil and pie nuts on top.
  • Drizzle Herbes de Provence Oil on top.
  • Use it as a filling for Stromboli or Calzone.
  • Serve over polenta with crumbled goat cheese and fresh basil.


Calories: 61kcal | Carbohydrates: 13g | Protein: 2g | Sodium: 597mg | Potassium: 639mg | Fiber: 4g | Sugar: 8g | Vitamin A: 865IU | Vitamin C: 49.1mg | Calcium: 61mg | Iron: 1.7mg