INGREDIENTS
1
and 1/3 cup (165 grams) all-purpose flour ((spooned & leveled))
1
and 1/4 teaspoon baking powder
1/2 tsp
salt
1/2 cup
unsalted butter, softened
1 cup
granulated sugar
2
large eggs
2 tsp
vanilla extract
1/2 cup
full fat sour cream
1 cup
unsalted butter, softened
3 cups
confectioner's sugar
2 tsp
vanilla extract
2 tbsp
heavy cream