INGREDIENTS
1 cup
buttermilk
1/3 cup
vegetable oil
1/3 cup
sugar
1
egg
zest of one lemon
2 cups
grated zucchini (about 3 small)
1 cup
all purpose flour
1 cup
whole wheat flour
1 tsp
baking powder
1/2 tsp
baking soda
1/2 tsp
salt
1 cup
powdered sugar
1 tbsp
lemon juice
1 tbsp
plus 1 tsp.cold water