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up close shot of colorful veggies layered in the bowl of a slow cooker to make ratatouille
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4.85 from 219 votes

The Perfect Slow Cooker Ratatouille

The Perfect Slow Cooker Ratatouille Recipe is easy to put together, jam packed full of seasonal vegetables cooked just right, and oh so comforting during those cold winter months.
Prep Time15 minutes
Cook Time3 hours
Total Time3 hours 15 minutes
Course: Main Course
Cuisine: French
Keyword: slow cooker ratatouille
Servings: 6 servings
Calories: 182kcal

Equipment

Ingredients

  • 2 large russet potatoes
  • 1 medium sweet potato
  • 2 red bell peppers
  • 1 red onion
  • 1 large green zucchini
  • 1 large yellow squash
  • 3 cups marinara or tomato pasta sauce (try this homemade version)
  • 1 teaspoon fresh thyme leaves removed from stems
  • 5 cloves garlic, minced
  • ½ cup parmigiano regiano
  • ½ cup basil leaves, chiffonaded
  • salt and pepper, to taste

Instructions

  • Slice the potatoes, sweet potato, red bell peppers, and red onion into thin rounds (about ⅛ inch or ⅓ cm). Slice the zucchini and squash into slightly thicker rounds (about ½ inch or just over 1cm).
  • Add one cup of tomato pasta sauce and the thyme leaves into the bottom of the slow cooker and stir to combine.
  • Arrange the chopped vegetables on top of the tomato sauce, alternating between colors (i.e. the potato followed by sweet potato, followed by bell pepper, followed by zucchini etc). Repeat until all of the vegetables have been used up.
  • After each row add a dash of salt, pepper, and a bit of the minced garlic. Then layer more veg on top.
  • Pour the rest of the tomato sauce on top, pop on the lid, and set the slow cooker on high for 3-4 hours or on low for 6-8 hours. 
  • To serve, garnish with some fresh basil and parmigiana region. Leftovers will keep for about 3-5 days in the fridge.

Notes

Tomato Sauce
For a homemade marinara sauce recipe that works just perfectly try out this one, and if you don't have heirloom tomatoes just sub in another variety.
Freezing
Freezes well in a freezer-safe container. Allow to come to room temperature before freezing.

Nutrition

Calories: 182kcal | Carbohydrates: 34g | Protein: 8g | Fat: 3g | Saturated Fat: 2g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 1g | Cholesterol: 6mg | Sodium: 745mg | Potassium: 1097mg | Fiber: 6g | Sugar: 11g | Vitamin A: 7435IU | Vitamin C: 89mg | Calcium: 162mg | Iron: 3mg