3/4 cup butter
3/4 cup gula putih
1 1/2 tbsp cream cheese
1/2 butir telur
1 telur kuning
1 tsp vanilla extract
1/2 tsp garam
1 3/4 cup tepung terigu
1/4 tsp baking powder
1 tsp cream of tartar
1/4 cup pasteurized egg whites
1 tsp vanilla extract
4 cups powdered sugar