These Slow Cooker Chicken Parmesan Sandwiches take just 10 minutes to prepare and are the definition of true comfort food. A hearty tomato sauce imparts it’s amazing flavor to the chicken while ooey, gooey, melty cheese is the perfect finishing touch.
Add crushed tomatoes, diced tomatoes, tomato paste, parmesan cheese, onion, garlic, oregano, basil and bay leaves to slow cooker.
Season chicken breasts with salt and pepper and nestle into sauce. Cook on HIGH 4 hours or on LOW 6 hours
Remove chicken from slow cooker and shred. Return chicken to slow cooker and stir to combine with sauce.
Toast buns and then top the bottom slice with the chicken mixture and a slice of cheese. Heat under broiler until cheese is melted and beginning to bubble. If desired, top with additional Parmesan cheese.