Hamburger Stroganoff - cooking recipe

Ingredients

1/4 c. butter
1/2 c. onion, chopped
1 lb. ground beef
pepper and salt
1 (8 oz.) can mushrooms (not drained)
2 Tbsp. flour
1 can mushroom soup
1 c. sour cream

Preparation

Melt butter in frying pan.
Add onion; brown.
Add beef; cook until redness is gone.
Add salt, pepper, mushrooms, flour and soup; stir and cook slowly for 20 minutes.
Add sour cream.
Serve on rice.