INGREDIENTS
1 tsp
Grapefruit, zest
5
Egg whites
4
Egg yolks
3 tbsp
All-purpose flour
1/3 cup
Granulated sugar
1
Powdered sugar
1/8 tsp
Salt
2 tsp
Vanilla extract, pure
2 tbsp
Grapefruit juice
2 tbsp
Butter, unsalted
3/4 cup
Milk
1
Whipped cream or vanilla ice cream