What is the primary ingredient in an Iced Choco Latte?

The primary ingredient in an Iced Choco Latte is dark chocolate. This ingredient is essential because it is what defines the flavor profile of the drink. The rich and bold taste of dark chocolate contributes to the overall experience, complementing the creaminess of the milk and the refreshing aspect of the coffee. Dark chocolate provides a deep, slightly bitter undertone, which balances well with sweetness from any added syrups or flavorings.

In a standard Iced Choco Latte, dark chocolate is typically blended with espresso or coffee and milk, chilled over ice, resulting in a delicious, refreshing beverage that showcases the chocolate's flavor prominently. While the other ingredients like caramel, white chocolate, and coconut can enhance various coffee drinks or be used in different recipes, they do not form the foundational flavor of an Iced Choco Latte. Thus, dark chocolate is the correct choice as it is crucial for achieving the drink’s distinct choco flavor.