Apple Pie Bars

INGREDIENTS

2 cups

all-purpose flour

1/2 tsp

salt

12 tbsp

salted butter (, cold and diced into cubes)

1/4 cup

+2 Tbsp buttermilk (, chilled)

egg yolk

2 1/4

lbs granny smith apples ((about 6 medium apples))

2 1/2 tbsp

orange juice

1 tsp

vanilla extract

1/2 cup

all-purpose flour

1/2 cup

granulated sugar

1/3 cup

packed light-brown sugar

1 1/4 tsp

cinnamon

1/4 tsp

nutmeg

egg white

1 1/2 tbsp

Raw Turbinado sugar

1/4 tsp

cinnamon

1 cup

powdered sugar

2 tbsp

half and half ((milk could be substituted))

1/2 tsp

vanilla extract