Preheat oven to 350F, spray a mini muffin tin and set aside.

Mix your cake mix and lemon zest together, add in egg whites, apple sauce, vanilla and water.

Very gently fold in your blueberries.

Divide batter into 24 mini cupcakes, try and make sure your not getting too many blueberries in each cupcake or you'll have a big mess of one.

Bake in oven for 10-12 minutes.

Let cupcakes cool, meanwhile mix your icing with some yellow food coloring. Pipe icing from a bag onto cooled cupcake. Each cupcake is 2sp or 1pp. You can half the recipe for 12 cupcakes.

Nutritional info (not incl berries) per cupcake.. Calories 37... Fat 0.9g.. Saturated fat 0.3g... Carbs 6.5g.. Fiber 0g.. Sugars 4.6g.. Protein 0.3g