1 lb. ground beef
1/4 c. chopped onion
1/2 c. ketchup
1/4 c. sour cream
1/2 tsp. salt
1/4 tsp. garlic powder
1 (12 oz.) can refrigerated flaky biscuits
1 tbsp. butter, melted (optional)

Cook ground beef with onion in a large skillet, stirring continually, until the ground beef is browned and crumbly. Drain in a colander. Return the ground beef mixture to the skillet. Stir in ketchup, sour cream, salt and garlic powder.

Preheat the oven to 375°F. Pat or roll each biscuit into a 4-inch square on a lightly floured surface. Arrange the biscuit squares on ungreased baking sheets. Spoon 1/4 cup of the ground beef mixture in the center of each biscuit square. Fold over the corner of each square to form a triangle. Seal edges with a fork. Cut three 1/2-inch slices in the top of each turnover.

Bake until golden brown, about 15 to 20 minutes. Brush with melted butter, if desired.