Vanilla Cupcakes

Recipe From :http://joyofbaking.com/VanillaCupcakes.html

Vanilla Cupcakes:
1/2 cup (113 grams) unsalted butter, room temperature
2/3 cup (130 grams) granulated white sugar
3 large eggs
1 teaspoon pure vanilla extract
Zest of 1 large lemon (optional)
1 1/2 cups (195 grams) all purpose flour
1 1/2 teaspoons baking powder
1/4 teaspoon salt
1/4 cup (60 ml) milk
Buttercream Frosting:
2 cups (230 grams) confectioners sugar (icing or powdered sugar), sifted
1/2 cup (113 grams) unsalted butter, room temperature
1 teaspoon pure vanilla extract
2 tablespoons milk or light cream
Assorted food colors (if desired)
Lemon Zest - The yellow outer rind of the lemon that contains the fruit's flavor and perfume. The rind being the outer skin of the lemon which consists of both the yellow zest and white membrane (pith).Read more: http://joyofbaking.com/VanillaCupcakes.html#ixzz0VWvd4HCr