2 tbsp. milk
1/4 tsp. almond extract, optional
1 tsp. vanilla bean paste, or vanilla extract
3 1/2 cups powdered sugar
1 1/2 cup unsalted butter, softened
1/2 cup rainbow sprinkles
1 cup buttermilk
1 whole egg
3 egg yolks
2 tsp. pure vanilla extract
1 1/2 cups granulated sugar
3/4 cup unsalted butter, at room temperature
1/2 tsp. salt
1 tbsp. baking powder
2 1/3 cups cake flour