Cheeseburger Biscuit Bake

Ingredients

• 1 pound ground beef
• 1/4 cup chopped onion
• 1 can (8 ounces) tomato sauce
• 1/4 cup ketchup
• Dash pepper
• 2 cups shredded cheddar cheese, divided
• 1 tube (12 ounces) refrigerated buttermilk biscuits, separated into 10 biscuits