What is a common ingredient in a Pina Colada?

A Pina Colada is traditionally known for its distinctive tropical flavor, which comes primarily from two key ingredients: coconut cream and pineapple juice. Among these, coconut cream is the signature element that gives the cocktail its creamy texture and rich coconut flavor, making it a defining characteristic of a classic Pina Colada.

While rum is also an essential ingredient, it serves more as an alcoholic component that complements the predominant flavors of coconut and pineapple. Pineapple juice is indeed another crucial component, providing sweetness and acidity, but the coconut cream is what makes the Pina Colada unique compared to other tropical cocktails.

Mint leaves, on the other hand, are not a traditional ingredient in a Pina Colada; they are more commonly associated with other cocktails like a Mojito or certain tropical drinks for garnish and a fresh flavor. Thus, the prominence and defining nature of coconut cream in the Pina Colada solidify it as the correct answer.