Mix arrowroot with remaining 1 tablespoon juice in small bowl. (epicurious.com)
1 cup ketchup 1 tablespoon prepared horseradish 1/4 teaspoon salt 1/4 teaspoon ground black pepper 1 teaspoon ancho or other mild chili powder Pinch cayenne pepper 1 tablespoon juice from 1 small lemon (we use more) (smittenkitchen.com)
Squeeze 1 tablespoon juice into small bowl. (womansday.com)