Horseradish sauce

1 cup mayonnaise

1 tablespoon sugar

1/4 cup creamed horseradish or 

2 tablespoons fresh horseraddish

1/4 teaspoon salt

Arby's Horsey Sauce

1 cup mayonnaise
3 tablespoons bottled horseradish cream sauce
1 tablespoon granulated sugar

Mix all well. Keep refrigerated, tightly covered. Will keep up to 2 weeks. DO NOT FREEZE!