Chicken Lombardy

• 2 pcs large chicken breasts thawed
• 2 tbsps. butter divided
• 1 1/2 c cremini mushrooms sliced
• 1/2 c marsala
• 1/4 c chicken broth
• 1 c shredded mozzarella
• 1/2 tsp garlic powder
• salt & pepper to taste

*OPTIONAL

• Sliced Scallions for Garnishing