1 # Hamburger
1/2 C Onion, chopped
1/2 C Flour
1-1/2-2 C Milk
Salt & Pepper to taste
1 can Mushrooms
1/2 C Sour cream
Brown hamburger and onion in skillet. Drain and add flour , salt & pepper. Stir until thick and hot. Add milk and stir until smooth. After mixture comes to a boil add mushrooms and sourcream. Stir.
Pour over cooked noodles or rice.