What ingredient is commonly used in smoothies to achieve a creamy texture?

The ingredient that is commonly used in smoothies to achieve a creamy texture is ice cream mix. Ice cream mix adds a rich and velvety consistency to smoothies, enhancing the overall mouthfeel and making the drink more indulgent. This ingredient not only contributes creaminess but also adds sweetness and flavor, which can elevate the drinking experience.

While ice cubes can contribute to a thick and chilled texture, they often dilute flavors and do not provide creaminess. Milk can offer a smoother consistency, but it may not be as rich as ice cream mix. Syrup is primarily used for sweetness and flavor enhancement, rather than for achieving a creamy texture. Thus, ice cream mix stands out as the best choice for creating that desired creamy quality in smoothies.