In which drink does the number of chocolate milk scoops vary by size?

The drink where the number of chocolate milk scoops varies by size is Mocha Freezes. This variation is an important aspect of the recipe for Mocha Freezes, as it directly impacts the flavor and texture of the drink. In Mocha Freezes, different sizes require different amounts of ingredients to ensure that the drink maintains the desired balance of sweetness and chocolate flavor, which is why the number of chocolate milk scoops changes according to the size of the drink ordered.

Other drinks listed, such as Frosts, Cold Brew, and Kiddie Drinks, typically have a more standardized recipe across all sizes without varying the quantity of chocolate milk scoops. This consistency in ingredients helps standardize the taste and ensures customers receive a similar experience regardless of the size of the drink they choose.