Fried potatoes belong to smoked catering, and when fried, they will emit oil smoke.

Smokeless snacks refer to snacks that produce less harmful smoke in the production process and protect the environment. The most common smokeless snacks, such as marshmallows, are typical smokeless snacks, because the principle of making marshmallows is to use machines that specialize in making marshmallows, and no harmful smoke will be produced during the system.