Carrot Cake Zucchini Muffins Carrot Cake Zucchini Muffins are grain free, paleo, and low carb Muffins with a vanilla cream cheese frosting (with dairy free option). Carrot Cake Zucchini Muffins are a grain free, low carb and paleo treat that has a little grated carrot, and grated zucchini. These are frosted with a lovely creamy