If the much higher temperature, immersive,
deep frying is used, this prepares the onions in a manner similar to that of
fried potatoes. In Sweden and the rest of Scandinavia, known as
rostad lök/ristede løg/stekte løk, they are a staple garnish for
hot dogs or
tunnbrödsrulle, served in local fast food restaurants or by street vendors (which are common in large cities such as
Copenhagen and
Stockholm). Crisp fried onions are also used in
biriyani for layering and garnishing. They are also a crucial component of the Egyptian national dish
kushari, which in addition to always being topped with crispy fried onions, the lentils and/or rice are frequently cooked using the oil in which the onions were fried. They are called "
fried onions" in
Southern cooking of the United States. Smaller and irregularly shaped (from being deep-fried until they are crunchy) onions are an integral part of the American dish
green bean casserole. Freshly made crisp fried onions may be used as garnishes in some restaurants. ==Variations==