Step 1

Melt butter over medium-high heat in a nonstick pan. Season chicken with salt and peppers. Add chicken to pan and cook until browned on both sides.

Step 2

Place chicken in a lightly greased 6-quart slow cooker.

Step 3

In a medium bowl mix together alfredo sauce, sun-dried tomatoes, Parmesan cheese, Italian seasoning, and red pepper flakes.

Step 4

Pour mixture over chicken. Cover slow cooker and cook on LOW for 3 to 4 hours.

Step 5

Open slow cooker, mix in spinach. Cover and cook 5 more minutes. Serve.