Slow Cooker Cheesy Chicken Spaghetti with Bell Peppers
A comforting one-pot meal that combines tender slow-cooked chicken with pasta in a rich tomato sauce, topped with melted mozzarella cheese. The chicken cooks low and slow with bell peppers and onions, creating a flavorful base, while the pasta is added near the end to prevent overcooking. Perfect for busy weeknights when you want a satisfying family dinner with minimal cleanup. The combination of garlic, black pepper, and two types of cheese creates layers of flavor that make this a standout comfort food dish.
Ingredients
- ¼ cup red bell pepper, diced
- ½ cup onion, diced
- 4 pieces boneless skinless chicken breast halves
- 15 oz jar pasta saucemarinara sauce1:1
slightly different flavor
- 8 oz box spaghetti noodles
- 2 teaspoons garlic, minced
- 1 teaspoon ground black pepper, to taste
- 2 cups mozzarella cheese, shredded
- ¼ cup Parmesan cheese(optional)
Instructions
- 1
Place diced red pepper and onion in bottom of crock pot
- 2
Arrange chicken pieces over vegetables
- 3
Spread minced garlic over chicken and sprinkle with black pepper
- 4
Pour half the pasta sauce over chicken
- 5
Cook for 4 hours on high or 6-7 hours on low
- 6
Cook spaghetti noodles according to package directions 20 minutes before chicken is done
- 7
Drain and rinse pasta well
- 8
Pull chicken apart into bite-size pieces
- 9
Add remaining sauce to crock pot
- 10
Add pasta to crock pot and toss until coated with sauce
- 11
Sprinkle mozzarella over spaghetti and cover
- 12
Heat until cheese is melted, about 10 minutes
Tips
Cooking time varies with chicken thickness - use meat thermometer to ensure internal temperature reaches 165°F before shredding.
Rinse pasta well after cooking to remove excess starch and prevent clumping when mixed with sauce.
Add pasta just before serving to maintain ideal texture and prevent mushiness from extended slow cooking.
Good to Know
Refrigerate leftovers up to 3 days in sealed container. Reheat gently with splash of water or broth to restore moisture.
Cook chicken portion up to 1 day ahead. Add pasta and cheese just before serving for best texture.
Serve hot directly from slow cooker. Garnish with additional Parmesan and fresh herbs if desired.
Common Mistakes
Add pasta too early to avoid mushy texture from overcooking in slow cooker.
Check chicken doneness with thermometer to avoid undercooking thick pieces.
Substitutions
FAQ
Can I use frozen chicken breasts?
Yes, but increase cooking time by 1-2 hours on low setting and ensure internal temperature reaches 165°F before shredding.
What if my pasta gets too soft?
Cook pasta slightly underdone initially, and add it closer to serving time. The residual heat will finish cooking it perfectly.
How long will leftovers keep?
Properly stored leftovers keep 3 days refrigerated. Reheat gently with added liquid to prevent drying out.