1 Preheat oven to 375°F (190°C).2 Line muffin pans with 24 paper baking cups. In large mixing bowl, combine cake mix, canola oil, water, eggs, lime zest and lemon zest. Beat well, about 2 minutes. Spoon the batter into baking cups.3 Bake cupcakes for 14-18 minutes or until toothpick inserted into the cupcakes comes out clean. Remove from pan and cool on wire rack. Remove cakes from baking cups.4 Place cream cheese in mixing bowl and beat until smooth and creamy. Add icing sugar and continue to beat until well mixed. Add any additional icing sugar as needed.5 Add lime and lemon zest and beat until combined. Spread icing over cupcakes and decorate with candied fruit pieces.