text: Key Lime Pie Cupcakes with key lime buttercream, the PERFECT summer cupcake. Key Lime Pie Cupcakes with key lime buttercream, the PERFECT summer cupcake. Key Lime Cupcakes, Summer Cupcakes, Key Lime Cake, Green Cupcakes, Cupcake Recipes, Baking Recipes, Cupcake Cakes, Dessert Recipes, Key Lime Buttercream