Coffee Ripple Muffins

1. 1

   Preheat oven 350u00b0F. Grease and flour a 12-cup muffin pan.

2. 2

   Combine muffin mix and orange zest in a large bowl. Make a well in the center. Stir in egg and 1 cup cold water until combined. Transfer 3/4 cup muffin batter to a separate bowl and mix in cold coffee. Distribute orange batter between muffin recesses then top with coffee batter. Lightly swirl together to create a rippled effect. Bake for 20-25 mins, or until muffins spring back when lightly touched in the center. Let cool in pan for 5 mins then transfer to a wire rack to cool completely.

3. 3

   Meanwhile, to make the icing, sift powdered sugar into a bowl. Stir in butter and enough orange juice (around 2 tsp) to make a thick, smooth icing. Spoon over muffins.

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