Beef Stroganoff - cooking recipe

Ingredients

2 to 3 lb. boneless tenderloin or sirloin
1/2 c. flour
1 tsp. salt
1/8 tsp. pepper
1/3 c. butter
1/2 c. finely chopped onion
2 c. beef bouillon (cubes)
1/2 lb. mushrooms or 1 medium can
3 Tbsp. butter
1 c. sour cream
3 Tbsp. tomato paste
1 tsp. Worcestershire sauce
noodles or rice

Preparation

Cut meat into 2 x 1/4 x 1/4-inch strips or cubes.
Coat 6 to 8 strips at a time in mixture of 1/2 cup flour, 1 teaspoon salt and 1/8 teaspoon pepper.
Melt butter in skillet; add meat and onion. Brown slowly.