Stroganoff - cooking recipe

Ingredients

1 lb. ground beef
1/2 c. chopped onion
1/4 c. butter
2 Tbsp. flour
1 tsp. salt
1 (4 oz.) can mushrooms
1 c. sour cream
noodles
1 can cream of mushroom soup

Preparation

Brown onion in butter.
Stir in ground beef.
Brown well.
Add flour and salt.
Add mushrooms; saute for 5 minutes.
Add mushroom soup; simmer for 10 minutes.
Add sour cream just before serving, to meat.
Put sauce over noodles.