Otis Spunkmeyer Muffins Chocolate Chip Muffins. Shipped frozen, arrive thawed. The ultimate muffin studded with bittersweet chocolate chips. Individually wrapped for the convenience of people on the go. They are a perfect breakfast, snack or anytime treat. Moist, crumbly and delicious, consumers find Otis Spunkmeyer muffins simply irresistible.