Philly Cheesesteak Casserole | Cooking Professionally

Ingredients

• 2 pounds lean ground beef
• 1 cup yellow onions, diced
• 1 1/2 cups green peppers, diced
• 1 3/4 cups water, divided
• 1 (0.87-ounce) package brown gravy mix
• 1/2 tablespoon garlic powder
• 1/2 tablespoon onion powder
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 1 1/2 cups premade baking mix, such as Bisquick
• 1/2 cup mayonnaise
• 2 cups mozzarella and cheddar cheese blend, shredded