2 tbsp. butter
2 tbsp. flour
Salt and pepper
1 1/4 cups milk
1/8 tsp. nutmeg
1 tbsp. well-drained horseradish
1 tbsp. prepared mustard

Melt butter over low heat; blend in flour, salt and pepper. Cook over low heat, stirring until mixture is smooth and bubbly. Remove from heat; gradually stir in milk. Heat to boiling, stirring constantly. Boil and stir 1 minute. Stir in nutmeg, horseradish and mustard.