Skinny Chocolate Chip Buttermilk Scones

INGREDIENTS

3/4 cup

cold buttermilk

1/4 cup

sugar

2 tsp

vanilla extract

large egg

1 cup

all purpose flour (Bob’s Red Mill)

1 cup

white whole wheat flour (Bob’s Red Mill)

1 tbsp

baking powder

1/2 tsp

salt

3 tbsp

chilled butter (must be cold) cut into small pieces

3/4 cup

chocolate chips

cooking spray

large egg white, lightly beaten

1 1/2 tbsp

sugar