What is primarily used to thicken the Creamy Horseradish sauce?

The primary thickeners for Creamy Horseradish sauce are mayonnaise and sour cream. Both ingredients contribute to the sauce's smooth, creamy texture while also enhancing its flavor profile. Mayonnaise adds richness and a slight tang, while sour cream provides a bit of acidity and thickness, balancing the sharpness of the horseradish.

Using both ingredients allows for a well-rounded sauce that can be used as a condiment for meats, sandwiches, or as a dip, offering versatility in its application. The combination helps achieve the desired consistency and taste, making it the preferred choice in many recipes.