Number of Servings: 6 Ingredients: ½ C. horseradish mayonnaise (recipe below) ¼ C. sour cream 2 tsp. cider vinegar 2 tsp. minced shallots 1 to 2 tsp. spicy brown mustard ½ to 1 tsp. additional horseradish, if desired … Continue reading Best Potato Salad