Cupcakes

Ingredients : 1 cup unsalted butter softened 2 tablespoons unsalted butter softened 1 ¾ cups white sugar 3 eggs 2 teaspoons grated lemon zest 1 teaspoon vanilla extract 3 ½ cups all-purpose flour 1 teaspoon baking soda ½ teaspoon baking powder ½ teaspoon salt 1 (16 ounce) container sour cream 1 cup...