Banana Zucchini Flax Muffins

Ingredients 2 cup unbleached all-purpose flour ½ cup flax meal 1 tsp. baking soda ½ tsp. salt 3 medium, ripe bananas 1 ½ cup zucchini, finely grated (1 medium/large) ½ cup maple syrup or honey ¼ cup oil 2/3 cup plain or vanilla Greek yogurt 2 eggs ½ tsp. vanilla Jen...