Ingredients
32 oz  White sauce
2 qt  Milk, cold
7 qt  Milk, boiling
Horseradish, grated, to taste

Preparation
Blend contents with 2 quarts cold milk. Stir this mixture into 7 quarts boiling milk. Bring to boil again, stirring constantly. Add grated horseradish. Reduce heat and simmer for 3 minutes, stirring occasionally.