2 lbs. beef tenderloin
Salt and pepper
1/4 c. butter
1/4 c. tomato paste
2/3 c. sour cream
2 tbsp. grated onion

Cut beef into thin strips about 1 1/2 inches long and 1/4 inch wide. Sprinkle well with seasoning and let stand for about 2 hours in the refrigerator. Heat a skillet, add butter and fry the pieces of beef until just colored. Add tomato paste and sour cream. Heat gently or cook in a double boiler over hot water for 15 minutes. Season to taste. Before serving, add grated onions. Great served with egg noodles or rice.