Ruby Red Grapefruit Tartlets

INGREDIENTS

1 c

butter

1/2 c

confectioners' sugar

1 pinch

kosher salt

1 tsp

vanilla extract

3 cs

flour

1 c

granulated sugar

6 tbsps

flour

3 tbsps

cornstarch

1/2 tsp

kosher salt

4 larges

egg yolks

1 1/2 tbsps

1 1/2 tbsp. finely grated ruby red grapefruit zest plus 1 1/2 cups juice (from 3 grapefruits)

2 larges

egg whites

1/4 c

granulated sugar

1/4 tsp

cream of tartar

1/4 tsp

vanilla extract ruby grapefruit

1 serving

ruby grapefruit