Key Lime Pie Cupcakes

Steps

• 1

  Heat oven to 375°F. Place paper baking cup in each of 24 regular-size muffin cups. In large bowl, stir cookie mix, butter, 3 teaspoons of the lime peel and the whole egg until soft dough forms. Drop dough by heaping tablespoonfuls into muffin cups; use fingers to flatten. Bake 12 minutes. Cool in pans on cooling racks.
• 2

  In medium bowl, beat egg yolks, condensed milk, lime juice and food color with electric mixer on medium speed about 1 minute or until well blended. Pour evenly into partially baked crusts, filling each about three-fourths full.
• 3

  Bake 12 to 14 minutes or until edges are set and centers are still soft. Cool 20 minutes. Cover; refrigerate until chilled, at least 2 hours but no longer than 2 days. Stir remaining 1 teaspoon lime peel into frosting. Frost cupcakes. Garnish with graham cracker chunks. Store covered in refrigerator.