1/4 lb. butter
1 tbsp. catsup
1 tbsp. Worcestershire sauce
1 tsp. paprika
1/8 tsp. dry mustard
2 tsp. vinegar or lemon juice

Place all ingredients in a sauce pan. Place pan over low heat and stir until butter is blended with condiments. Be careful not to let it curdle. Pour over steak before serving.