Richard's Chicken Breasts Recipe

Ingredients

• 8 skinless, boneless chicken breast halves
• 0.5 cup all-purpose flour
• 1 teaspoon poultry seasoning
• 1 tablespoon butter
• 1 tablespoon olive oil
• 0.25 cup Marsala wine
• 1 cup chopped portobello mushrooms
• 1 cup chopped onion
• 1 teaspoon dried rosemary
• 4 slices mozzarella cheese