Preparation Place dry mustard in medium bowl. Add 1 tablespoon boiling water and stir to form paste. Cool. Whisk in mayonnaise, lemon juice, Dijon mustard and horseradish. Season to taste with salt and pepper. Serve sauce with crab legs.
Preparation Place dry mustard in medium bowl. Add 1 tablespoon boiling water and stir to form paste. Cool. Whisk in mayonnaise, lemon juice, Dijon mustard and horseradish. Season to taste with salt and pepper. Serve sauce with crab legs.