2 graham cracker rectangles, crushed 2 tablespoon butter, melted 1 tablespoon packed brown sugar
Cupcakes
1 15.25 ounce box vanilla or white cake mix 1 tablespoon key lime zest
Key Lime Filling
1 8 ounce package cream cheese, softened ½ cup sweetened condensed milk 4 - 5 ounce key lime juice
Key Lime Buttercream
1 cup butter, softened 6 - 8 cup powdered sugar ½ cup reserved Key Lime Filling ¼ cup key lime juice ¼ teaspoon vanilla ¼ teaspoon salt
