01 -
Preheat oven to 350°F and grease muffin pans for 30 cupcakes.
02 -
Melt butter in pan, add milk until warm.
03 -
Whisk flour with baking powder.
04 -
Beat eggs, gradually add sugar, vanilla, zest. Alternate adding milk mixture and flour mixture.
05 -
Fill pans ¾ full, bake 35-38 minutes until edges golden.