Step 1

In a small bowl, combine the garlic powder, onion powder, basil, Italian seasoning, paprika, salt and pepper.

Step 2

Sprinkle over the chicken breasts to season, coating both sides.

Step 3

Place a skillet over medium heat and add the olive oil.

Step 4

Cook the chicken until golden brown on both sides. Transfer to the slow cooker.

Step 5

Add the garlic, mushrooms and marsala wine to the slow cooker and cook on high for 2-3 hours or on low for 5 hours.

Step 6

Remove the chicken from the slow cooker and set aside.

Step 7

Whisk together the water and cornstarch. Add the mixture to the wine mixture along with the heavy cream and whisk to combine.

Step 8

Place the chicken back into the slow cooker, close the lid and cook on high for another 20-30 minutes or until thick.

Step 9

Serve with freshly chopped parsley.