1 lb. lean ground beef
1 sm. onion
1 clove garlic
1/4 c. butter
1 tbsp. flour
1 can cream of mushroom soup
1 sm. can mushrooms
1 (8 oz.) carton sour cream or plain yogurt
10-12 oz. wide noodles

Brown ground beef, onion, and garlic in butter. Stir in flour and cook 5 minutes. Stir in soup and mushrooms and cook 5 minutes more. Add sour cream and heat through. Serve over noodles cooked according to package directions. Salt and pepper to taste.