Herbed 3-Cheese Bake

Ingredients

• 2 tablespoons butter
• divided
• 12 cup onion
• chopped
• 3 slices white bread
• 2 eggs
• 34 cup milk
• 12 cup cheddar cheese
• shredded
• 12 cup swiss cheese
• shredded
• 12 teaspoon basil
• 1 dash pepper
• 2 tablespoons parmesan cheese
• grated

Instructions

No instructions listed