Chicken Marsala
| 4 thinly sliced boneless, skinless chicken breasts |
| to taste salt |
| to taste pepper |
| 2 TBSP, divided olive oil |
| 2 cups sliced mushrooms |
| 1/2 cup Marsala wine |
| 1/2 cup chicken broth |
| 1 cup heavy whipping cream |
| 1 tsp ground mustard |
| 1 tsp garlic powder |
| to taste fresh parsley, chopped (for garnish) |