Beef Stroganoff - cooking recipe

Ingredients

1 1/2 lb. tenderloin tips, cut in 2-inch strips
1/4 c. butter
1/4 lb. fresh mushrooms or small can
3 Tbsp. flour
2 (10 oz.) cans beef broth
1/2 c. white wine
2 Tbsp. vinegar
1/2 c. sour cream

Preparation

Saute tips in butter; add flour and brown.
Add hot beef stock and bring to a boil.
Remove from heat.
Reduce wine and vinegar to 1/2 and add to above.