4 from 6 votes

Slow Cooker Stuffed Shells

Slow cooker stuffed shells are cheesy, saucy, and slow-cooked to perfection for an easy Italian-inspired dinner.
Prep: 15 minutes
Cook: 5 hours
Total: 5 hours 15 minutes
Servings: 5 servings
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Ingredients 

  • 22 oz ricotta cheese
  • 2 cups mozzarella cheese, divided
  • cup parmesan cheese
  • 4 cups fresh spinach, chopped small
  • 2 eggs
  • 1 tsp salt
  • ½ tsp pepper
  • 2 tsp Italian seasoning
  • 1 tsp onion powder
  • 36 oz marinara sauce, divided
  • 19-23 jumbo pasta shells

Instructions 

  • To a medium sized bowl add in the ricotta, 3/4 cup of mozzarella cheese, parmesan cheese, spinach, eggs, salt, pepper, Italian seasoning, and onion powder stir well to combine the ingredients.
  • Place this mixture into a large gallon sized ziplock bag and cut a small corner off the bottom of the bag.
  • To a large slow cooker add in 12 oz of the marinara sauce to the bottom fill each shell generously with the creamy mixture in the bag then place the shells in the slow cooker facing up. Pour the remaining marinara sauce over the shells sprinkle with the reminder of the cheese. Cover and cook on LOW for 5-6 hours *towards the end check on the shells you don’t want them over or under cooked* enjoy!

Video

Nutrition

Calories: 574kcal | Carbohydrates: 41g | Protein: 36g | Fat: 31g | Saturated Fat: 18g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 9g | Trans Fat: 0.01g | Cholesterol: 169mg | Sodium: 1971mg | Potassium: 1020mg | Fiber: 5g | Sugar: 9g | Vitamin A: 4154IU | Vitamin C: 21mg | Calcium: 647mg | Iron: 4mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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About Julia Pacheco

Hello, I’m Julia Pacheco, and I’m so glad you’re here! I’m a published cookbook author with a passion for creating delicious, budget-friendly meals. My blog focuses on recipes that are accessible and enjoyable, because I truly believe in the power of food to heal, inspire, and bring people together. From early lessons in the kitchen with my mom to navigating life on WIC and food stamps, I’ve learned the value of making every meal count. Cooking has been my creative outlet, a way to connect with others, and it even helped me land my dream job.

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