Step 1: Prepare the Chicken - Place the boneless, skinless chicken breasts in your crockpot. Sprinkle with garlic powder, onion powder, black pepper, and salt.

Step 2: Add the Liquid - Pour chicken broth over the chicken, then layer grated Parmesan, cream cheese, and minced garlic.

Step 3: Slow Cook the Chicken - Cover and cook on low for 4-5 hours or high for 2-3 hours.

Step 4: Shred the Chicken - Remove lid and shred the chicken in the crockpot with two forks.

Step 5: Cook the Pasta - In a pot, boil salted water and cook pasta until al dente.

Step 6: Combine Pasta and Sauce - Add drained pasta to the crockpot and stir to combine with sauce.

Step 7: Add Cream for Richness - Stir in heavy cream or half-and-half until well coated.

Step 8: Serve and Garnish - Serve on plates and garnish with parsley or extra Parmesan.