Chicken Marsala

Ingredients

• 1/4 cup all-purpose flour for coating
• 1/2 teaspoon salt
• 1/4 teaspoon ground black pepper
• 1/2 teaspoon dried oregano
• 4 skinless, boneless chicken breast halves - pounded 1/4 inch thick
• 4 tablespoons butter
• 4 tablespoons olive oil
• 1 cup sliced mushrooms
• 1/2 cup Marsala wine
• 1/4 cup cooking sherry