Dinner · Part 2 of 3: Instructions
Slow Cooker Pizza Chicken for an Easy Weeknight Dinner Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 4
Before you start
Before starting, ensure your slow cooker insert is clean and dry. Gather all your ingredients: boneless skinless chicken breasts, pizza sauce, shredded mozzarella, and pepperoni slices. Measure out the sauce and cheese to ensure you have enough to cover the chicken completely.
If you are using frozen chicken, be sure to thaw it completely in the refrigerator before placing it into the slow cooker, as cooking from frozen is not recommended for food safety reasons. Having everything prepped and ready will make the assembly process quick and efficient.
Ingredients at a glance (4)
- 4 pieces boneless skinless chicken breasts
- 1 1/2 cups thick herb-flecked pizza sauce
- 1 cup shredded mozzarella cheese
- 1/2 cup thin pepperoni slices
Instructions
Preparation and layering
- Prepare the chickenPlace the raw boneless skinless chicken breasts into the base of the slow cooker, ensuring they are arranged in a single layer to promote even cooking throughout the process. Wash hands thoroughly after handling the raw poultry to maintain food safety standards in the kitchen.Look for Chicken pieces should be laying flat across the bottom of the insert.Tip Ensure the chicken breasts are of similar size so they finish cooking at the same time.
At this stage, the chicken breasts should be arranged in a single layer at the bottom of the slow cooker. They should be clean and ready to receive the sauce. Ensure that no pieces are overlapping excessively, as this can lead to uneven cooking. Once the chicken is in place, the foundation for the meal is set, and it is ready for the sauce and topping phase.
Adding sauce and toppings
- Add sauce and toppingsSpoon the thick herb-flecked pizza sauce generously over the chicken breasts until they are completely covered. Sprinkle the shredded mozzarella cheese evenly over the sauce, then finish by layering the thin pepperoni slices across the top of the cheese.Look for The sauce should coat the chicken, and the cheese and pepperoni should create a uniform layer on top.Tip Use a spatula to spread the sauce if necessary to ensure even coverage.
The chicken should now be completely coated in the herb-flecked pizza sauce. The mozzarella and pepperoni should be spread in an even layer across the top. Ensure the cheese covers the sauce well to create a protective barrier. At this point, the slow cooker is ready to be covered and the cooking process can begin, allowing the flavors to start melding together.
Cooking to completion
- Cook and serveCover the slow cooker and cook on low for 4 hours. Ensure the chicken reaches an internal temperature of 165°F (74°C) as measured by a meat thermometer. Allow the chicken to rest for at least 5 minutes before serving to ensure the juices redistribute.Look for The cheese should be melted and bubbling, and the chicken tender.Safe temperature 165°F (74°C) internal temperature (poultry)Tip Check the internal temperature at the thickest part of the breast.
After four hours, the dish should smell fragrant and savory. The cheese should be completely melted, and the pepperoni should be slightly curled and aromatic.
Use a thermometer to verify that the internal temperature of the chicken has reached 165°F (74°C). The sauce should have reduced slightly, clinging to the chicken, and the entire dish should appear cohesive and ready for serving.
Common mistakes
A common mistake is using chicken breasts that are too thin, which can lead to overcooking and a dry texture. Ensure the breasts are of a consistent size to avoid this. Another issue is overcrowding the slow cooker; make sure the chicken fits in a single layer for even heat distribution.
Avoid lifting the lid repeatedly during the cooking process, as this lets out essential steam and heat, which can significantly increase the cooking time and disrupt the slow-cooking environment. Finally, always ensure the chicken is fully thawed before starting.
How to tell it’s done
To ensure the chicken is perfectly cooked and safe to eat, use a digital meat thermometer inserted into the thickest part of the breast. The chicken is done when it reaches an internal temperature of 165°F (74°C). At this point, the meat should be opaque throughout, tender, and easily sliced.
The sauce will have thickened slightly and the cheese should be fully melted and bubbly. If the chicken is not quite there, continue cooking for an additional 15 minutes before checking again, as slow cookers can vary in intensity.
- Poultry: 165°F (74°C) in the thickest part
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)