Double Chocolate Muffins

zucchini, carrot, egg whites, sugar, gluten free flour blend (corn starch, brown rice flour, sorghum flour, potato starch, flaxseed meal), whole eggs, cocoa powder, semi-sweet chocolate chips (sugar, unsweetened chocolate, cocoa butter, soy lecithin [an emulsifier], vanilla extract), baking powder (sodium acid pyrophosphate, sodium bicarbonate, corn starch, monocalcium phosphate), canola oil, soluble corn fiber, salt,