1 tbsp. butter
1 tbsp. flour
1 1/4 tsp. salt
1/2 c. drained bottled horseradish
Dash of pepper
1/2 c. evaporated milk
1/2 c. water

Melt butter in top of double boiler. Blend in flour, salt, horseradish and pepper. Add milk gradually while stirring. Cook until thick, stirring constantly. Serve with boiled beef.