Stunning Desserts That Taste Great Too! Cupcake Sisters has a wide selection of baked from scratch desserts available in Glen Mills store daily with flavors to please everyone. Cupcake Sisters also specializes in custom made designer desserts including cupcakes, cakes, cakesicles and sugar cookies. We pride ourselves in using the finest natural ingredients, gorgeous designs, and meticulous craftsmanship in making our desserts tasty and tasteful. We bake our products in small batches to ensure consistency, freshness, and great quality.