How Much Cocoa Powder Is In A Smores Pop Tart - SweetAndSara September 26, 2022 by Sara. Cocoa powder is a key ingredient in many desserts, and Smores Pop Tarts are no exception. This popular dessert treat is made with a chocolate crust and filled with a marshmallow and chocolate filling. The amount of cocoa powder in a Smores Pop Tart will vary depending on the recipe, but it is typically around 1/3 cup.