Ground Beef Stroganoff

1 pound ground beef lean
1 small onion chopped
1/2 teaspoon garlic salt
1/4 teaspoon pepper
10 3/4 ounces cream of mushroom soup
Condensed4 ounces mushroom stems and pieces
Drained 3/4 cup sour cream, or yogurt

In medium skillet, brown ground beef and onion; drain excess fat. Stir in garlic salt, pepper, soup and mushrooms. Simmer covered, 15 to 20 minutes. Stir in sour cream; heat through, but do not boil. Serve over potatoes, rice, egg noodles or chow mien noodles.

Serving Size: 4