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Slow Cooker Creamy Garlic Parmesan Chicken Shells in a creamy roasted garlic Parmesan sauce, with shredded chicken and parsley in a crockpot.

Slow Cooker Creamy Garlic Parmesan Chicken Shells


  • Author: Mounia
  • Total Time: 4 hours 10 minutes
  • Yield: 6 servings 1x

Description

Slow Cooker Creamy Garlic Parmesan Chicken Shells is the ultimate cozy comfort food. Tender chicken breasts cook low and slow with pasta shells in a rich, creamy garlic Parmesan sauce—all in one pot. It’s an easy, family-friendly dinner that practically cooks itself and tastes like pure comfort in every bite.


Ingredients

Scale
  • 1 1/2 pounds boneless, skinless chicken breasts
  • 12 ounces medium pasta shells (uncooked, about 3 cups dry)
  • 2 cups low-sodium chicken broth
  • 1 1/2 cups heavy cream
  • 1 cup freshly grated Parmesan cheese, plus more for serving
  • 1/4 cup roasted garlic cloves or paste (about 1 small head, mashed)
  • 1 teaspoon dried Italian herb blend
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • 1 teaspoon kosher salt, plus more to taste
  • 1/2 teaspoon freshly ground black pepper
  • 2 tablespoons unsalted butter, cut into small pieces
  • 2 tablespoons chopped fresh parsley (optional, for garnish)

Instructions

  1. Lightly spray a 6-quart slow cooker with nonstick cooking spray.
  2. Spread the uncooked pasta shells evenly across the bottom.
  3. Place the raw chicken breasts on top of the shells.
  4. In a medium bowl, whisk together chicken broth, heavy cream, Parmesan, roasted garlic, Italian herbs, garlic powder, onion powder, salt, and pepper until mostly smooth.
  5. Pour the creamy mixture evenly over the chicken and pasta, covering the shells as much as possible. Dot the top with butter pieces.
  6. Cover and cook on LOW for 3 1/2 to 4 1/2 hours or HIGH for 2 to 2 1/2 hours, until the chicken reaches 165°F and the pasta is tender. Avoid lifting the lid during the first half of cooking.
  7. Remove chicken, shred with two forks, and return it to the slow cooker.
  8. Stir well to coat the shells in sauce. Adjust seasoning if needed. Add a splash of warm broth or cream if sauce is too thick.
  9. Let sit on WARM for 5–10 minutes to thicken slightly. Garnish with extra Parmesan and parsley before serving.

Notes

  • Freshly grated Parmesan melts smoother than pre-shredded cheese.
  • If your slow cooker runs hot, check pasta early to prevent overcooking.
  • Boneless skinless chicken thighs can be substituted for extra juiciness.
  • Store leftovers in an airtight container in the refrigerator for up to 4 days.
  • Reheat with a splash of broth, cream, or milk to restore creaminess.
  • Prep Time: 10 minutes
  • Cook Time: 4 hours
  • Category: Dinner
  • Method: Slow Cooker
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving (about 1 1/2 cups)
  • Calories: 620 kcal
  • Sugar: 3 g
  • Sodium: 640 mg
  • Fat: 32 g
  • Saturated Fat: 18 g
  • Unsaturated Fat: 12 g
  • Trans Fat: 0.5 g
  • Carbohydrates: 45 g
  • Fiber: 2 g
  • Protein: 38 g
  • Cholesterol: 155 mg