Healthier Whole Wheat Peach Crumb Bars

INGREDIENTS

2 1/2 cups

diced peaches (about 4 small peaches)

1 tbsp

orange juice, freshly squeezed

1/2 tsp

orange zest

1/2 cup

white sugar, divided

6 tbsp

brown sugar, divided

1 3/4 tbsp

cornstarch

1/4 tsp

cinnamon

1/8 tsp

ground ginger

1 cup

all-purpose flour

1/2 cup

whole wheat flour

1/2 tsp

baking powder

1/4 tsp

sea salt

4 tbsp

solid, cold coconut oil (or 6 tbsp cold butter, cut into pieces)

small egg

1/8 cup

Greek yogurt (or sour cream)

3/4 tsp

vanilla extract

1 tbsp

coarse white sugar or turbinado sugar for sprinkling