Apple Cinnamon Muffins are sure to satisfy all fall cravings! They are speckled with cinnamon, flavorful bits of apple, with a buttery cinnamon-sugar topping. This is one seriously irresistible breakfast treat! This fall muffin recipe is just as great for savoring on crisp, autumn, slow-moving mornings as they are for a make-ahead, kid-friendly breakfast on-the-go any time of year!