INGREDIENTS
1 cup
unsalted butter, softened
1 1/2 cups
granulated sugar
1 tsp
vanilla extract
2
large eggs
2 3/4 cups
all-purpose flour
1 tsp
baking powder
1/2 tsp
kosher salt
1 cup
unsalted butter, softened
1 tsp
vanilla extract
kosher salt
3 cups
powdered sugar
3 tbsp
milk
1
drop blue food coloring (I use gel), optional
sprinkles, optional