easy italian casserole

Ingredients

• 1 pound ground beef
• 1/2 cup chopped onion
• 1 clove garlic,crushed
• 1-16oz can tomato sauce
• 1-4oz can mushroom stems/pieces,drained
• 1 teaspoon sugar
• 1/2 teaspoon dried oregano leaves
• 1/2 teaspoon dried basil leaves
• 1/4 teaspoon salt,pepper
• 2 cups bisquick baking mix
• 1/2 cup milk
• 1 large egg
• 8 slices process american cheese
• 1/2 cup grated parmesan cheese