Sub Bun
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What it is
A sub bun is a type of long, soft bread roll, often split lengthwise for filling. It is typically made from wheat flour, water, yeast, and salt, with added sugar and fat for texture and flavor. The dough is shaped into a long roll and baked until golden brown.
Why it's used
Sub buns are primarily used as the base for sandwiches, especially "subs" or "hoagies," which are filled with meats, cheeses, vegetables, and sauces. Manufacturers use them to provide a convenient and palatable vehicle for a variety of fillings, making them popular in delis, restaurants, and packaged sandwich products.
Health notes
Sub buns are a source of carbohydrates and fiber, depending on the type of flour used. The FDA considers ingredients commonly found in sub buns, such as wheat flour, yeast, and sugar, to be Generally Recognized As Safe (GRAS) when used as intended. Regulatory bodies like JECFA and EFSA have evaluated many common bread ingredients. Evidence does not suggest adverse health effects from consuming sub buns at typical intake levels.
Allergen info
Sub buns are typically made with wheat, which is one of the FDA's major allergens. They may also contain soy or sesame as ingredients or cross-contaminants. Gluten, found in wheat, is also a concern for individuals with celiac disease or gluten sensitivity.