Using a stand mixer or hand held , cream the butter and sugar.
Once mixture is thoroughly mixed, add the vanilla extract then add eggs in one at a time.
In another bowl, mix together flour, baking powder, and salt
Using a third bowl alternate adding the dry mixture to the eggs, butter, and sugar with the wet ingredients milk and sour cream.
Add lemon zest Bake cupcakes 18-20 minutes on a pre-heated over at 350’
Let cupcakes cool to room temp. before frosting
Lemon Buttercream Frosting Directions
Add butter, cream cheese, Lemon juice, and zest
Slowly begin to add powdered sugar, one cup at a time
Mix until thoroughly incorporated