INGREDIENTS
1/2 cup
unsalted butter, at room temperature
2/3 cup
sugar
3
eggs
1 tsp
vanilla extract
zest of 1 lemon (optional)
1 1/2 cups
all-purpose flour
1 1/2 tsp
baking powder
1/4 tsp
salt
1/4 cup
milk
1
recipes easy vanilla buttercream frosting