Sprinkles
Food coloring optional
Pinch of salt
1/4 tsp. Vanilla extract
2 tsp. Milk or cream divided
3/4 cup Powdered sugar sifted
3 tbsp. Unsalted butter softened
1/3 cup Powdered sugar
1/2 tsp. Vanilla extract
1 Large egg white
1/4 cup Granulated sugar
1/3 cup Unsalted butter softened
1/4 tsp. Salt
1/2 tsp. Baking powder
3/4 cup All-purpose flour