Step 1

Drain the sun dried tomatoes and set aside.

Step 2

Heat a skillet on med-high heat and add the butter. Add the chicken breasts and brown both sides. Remove chicken and place in the slow cooker.

Step 3

Add the onions to the skillet and cook until just turning translucent.

Step 4

Add the garlic and sun dried tomatoes to the onions and cook for 2 minutes, stirring occasionally. Turn off heat and add onion/sun dried tomato mixture to the slow cooker.

Step 5

Sprinkle in the Italian seasoning and red pepper flakes.

Step 6

Pour the Alfredo sauce over the top and close the lid. Cook on Low for 3-4 hours or High for 2-3 hours. Actual time will depend on how thick your chicken pieces are. Don't let it overcook or the meat will be dry.

Step 7

When cook time is finished, open lid and stir in parmesan, then stir in the spinach and close the lid. Let cook for a few more minutes, until spinach is wilted/softened.

Step 8

Serve over pasta or potatoes.