Step 1

Preheat the oven to 375 degrees Fahrenheit.

Step 2

In a bowl, cream butter and sugar until light and fluffy. Beat in the egg until combined.

Step 3

In a separate bowl, sift the dry ingredients together.

Step 4

Pour the dry ingredients into the butter mixture, alternating with the milk, beginning and ending with the dry ingredients.

Step 5

Gently fold the blueberries and lemon rind into the batter.

Step 6

Pour the mixture over greased or lined muffins tins, filling them 2/3 of the way.

Step 7

Bake for 15-20 minutes at 375 degrees Fahrenheit. Remove the muffins from the tins and transfer them to a wire rack to cool.