Preheat oven to 350°F. Place bread slices on baking sheet; brush with melted butter. Bake 10 to 15 minutes or until golden brown. Set aside.
Heat oil in large nonstick skillet over medium-high heat. Add mushrooms; cook and stir 5 minutes. Add sherry, garlic, Italian seasoning and salt; cook and stir 3 minutes longer or until liquid is evaporated and mushrooms are golden.
Spoon mixture evenly over bread. Layer with French Fried Onions and cheeses, beginning and ending with onions. Bake for 5 to 8 minutes or until cheese is melted and onions are golden. Serve warm.
Every editorial product is independently selected, though we may be compensated or receive an affiliate commission if you buy something through our links.
Text Ingredients 
