01 -
In a large mixing bowl, beat 1 cup softened butter with granulated sugar and packed brown sugar until the mixture becomes light and fluffy.
02 -
Add eggs and vanilla extract to the creamed mixture, blending thoroughly until well combined.
03 -
In a separate bowl, whisk together all-purpose flour, baking soda, and salt.
04 -
Gradually add the flour mixture to the butter mixture, mixing gently, then pour in 2 tablespoons milk and blend until a soft dough forms.
05 -
In another bowl, beat 1/2 cup softened butter, powdered sugar, 2 tablespoons milk, and vanilla extract until the filling is smooth and creamy.