Tangy White BBQ Sauce

1 ½ cups mayonnaise

¼ cup apple cider vinegar

1 clove garlic, minced

1 tablespoon coarse-ground black pepper

1 tablespoon spicy brown mustard

1 teaspoon white sugar

1 teaspoon salt

2 teaspoons prepared horseradish

Mix mayonnaise, cider vinegar, garlic, black pepper, brown mustard, sugar, salt, and horseradish together in a bowl. Refrigerate 24 to 36 hours.