Beef and Biscuit Casserole

1 to 1 1/4 lbs. ground beef
1/2 cup onion, chopped or 2 Tablespoons instant mince onion
1/2 cup green pepper, diced
1 (8 ounce) can tomato sauce
2 Tablespoons chili powder
1/2 teaspoon garlic salt
1 (8 ounce) can buttermilk biscuits
1 1/2 cup shredded Monterey Jack or Cheddar cheese, divided use
1/2 cup sour cream
1 egg, slightly beaten

Preheat oven to 375 degrees F.

Brown beef, onion and green pepper in large frying pan;drain. Stir in tomato sauce, chili powder and garlic salt. Simmer while preparing dough.

Separate biscuit dough into 10 biscuits. Pull each apart into 2 layers. Press half of the layers over the bottom of an ungreased 8- or 9-inch square baking pan.

Combine 1/2 cup cheese, sour cream and egg. Mix well.

Remove meat mixture from heat. Stir in sour cream mixture. Spoon over dough in pan. Arrange remaining biscuit layers on top. Sprinkle with remaining cheese.

Bake for 25 to 30 minutes or until biscuits are a deep golden brown.