Place a marble in the center of the "top" of the cupcake
Fold a small piece of foil to fit on both sides of the cupcake liner
Use a 1/4 measuring cup to add the batter to the cupcake tin.
Bake for 15-18 mins
Remove and let cool in the pan for 20-25 mins
Once removed you should have a heart-shaped cupcake!
Frost as you would like (see notes for suggestions)
Decorating options:Mini rosettes (Hold your piping bag straight up and down and make small circles using a "star tip")Criss/Cross Design (Slightly angle the piping bag and create a criss-cross patternHeart outline (Outline the cupcake and make small circles in the center to fill in the space)Add sprinkles