INGREDIENTS
1 cup
whole wheat flour
1 tsp
baking powder
1/4 tsp
baking soda
1/2 tsp
salt
1
egg
1/3 cup
white or brown sugar
2 tbsp
olive oil
1/4 cup
yogurt
1 tsp
lemon zest
1
medium-sized banana
1 cup
packed baby spinach leaves
1/4 cup
chopped walnuts or pecans