Bake and cool puffs; freeze in an airtight container up to 2 months. Thaw 2 hours at room temperature before filling.
Plain Cream Puffs
To make plain cream puffs, reduce flour to 1 cup and omit the cocoa and sugar.
To Make Hearts
STEP ONE To make a sturdy bottom for the puff, spoon a teaspoon of dough onto the parchment.
STEP TWO Using a cookie scoop (#30 or 1 3/4-inch) or spoon, place three scoops of dough in a triangle on top.
STEP THREE Add another teaspoon of dough in the center to help make an even surface.
STEP FOUR Dip the back of a spoon in water or wet your fingers to smooth the dough into a heart.