INGREDIENTS
1/2 cup
unsalted butter, softened
3/4 cup
sour cream
4 1/2 cups
powdered sugar
1
drop pink gel food coloring
1 cup
unsalted butter, softened
3/4 cup
vegetable oil
1 1/2 cups
granulated sugar, divided
3/4 cup
powdered sugar
2 tbsp
water
2
large eggs
5 1/2 cups
all-purpose flour
1/2 tsp
baking soda
1/2 tsp
cream of tartar
1 tsp
kosher salt