Prepare batter according to the box directions.
Mix in juice and zest from one large lemon.
Line a cupcake pan with 12 liners and fill each 2/3 full.
Bake according to the box directions {350 for 20 minutes}.
Remove from oven and let cool then remove to a plate.
Frost generously with the strawberry frosting and then top each cupcake with a strawberry butterfly {directions below}.
Serve right away or refrigerate until party time!