Zesty Stroganoff - cooking recipe

Ingredients

1 1/2 to 2 lb. sirloin
1 lb. fresh mushrooms
2 onions
1 can tomato paste
16 oz. sour cream
1/2 to 3/4 c. cooking sherry
seasoning to taste (salt, pepper, garlic powder)

Preparation

Cube sirloin into bite-size pieces and brown in hot oil. Remove from skillet; reduce heat and saute sliced mushrooms and onions.
Return sirloin to skillet; add tomato paste, 1 can water and sherry.
Simmer at least one hour, longer if desired, on very low heat.
Add sour cream and seasonings before serving, heating a bit to warm the added ingredients, but not boiling.