Chocolate Zucchini Muffins

INGREDIENTS

1 cup

unpacked brown sugar

1/4 cup

canola or vegetable oil

egg (plus 2 egg whites, room temperature)

over ripe banana (mashed)

6 oz

Fage 0% fat Greek yogurt (room temperature)

1/4 cup

ground flax-seed

2 cups

grated zucchini

1 1/4 cups

all-purpose (unbleached flour, 150 grams)

3/4 cup

whole wheat pastry flour (90 grams)

1/3 cup

dark cocoa powder

1/2 tsp

kosher salt

2 tsp

baking soda

1 tsp

ground cinnamon

1 tsp

pure vanilla extract

1/4 cup

mini semi-sweet chocolate chips