INGREDIENTS
5
Egg whïtes, large
2 3/4 cups
Cake flour
1 3/4 cups
Granulated sugar
4 1/2 cups
Powdered sugar
7/8 tsp
Salt
2 1/2 cups
Butter, unsalted
3 tbsp
Whïppïng cream, heavy
1 tâblespoon bâkïng powder
1 cup
buttermïlk room temperâture
1 tâblespoon cleâr vânïllâ extrâct or pure vânïllâ extrâct