Unlike traditional home-made meat sausages, the casing is not made of intestine, but of cellulose or other plant-based ingredients.

[4] In 2000, the Chicago White Sox's Comiskey Park became the first baseball venue to sell vegetarian hot dogs during games.

[11] United States beverage firm Bolthouse Farms in 2020 began producing grill-ready cured carrot hot dogs to sell to retailers.

[14] Vegan food columnist Avery Yale Kamila said in 2021: "For people who love vegetables, carrot hot dogs are a really exciting addition to backyard barbecues.

The small bakery chain Poundberry began selling vegetarian sausage rolls in 2016 and then a vegan version in 2018.