Sandwich makers with donut attachment

Donut nozzle

— these types of nozzles typically feature ring-shaped notches designed for baking traditional donuts or bagels. However, there are also other nozzle options available, and certain devices may have multiple interchangeable nozzles to create donuts of various shapes. These nozzle designs are not exclusive to donut makers but can also be found in some cupcake makers and sandwich makers, providing versatility in baking different treats.