They are fried triangles of pizza dough!
The yellow cheese whizz is a particularly American idiotsyncracy. They get perfectly good cheddar cheese (off-white colour...oops...color) from Wisconsin and similar diary states. They crumble all that good cheese and add emulsifiers and 'stringing' agents plus that wonderful orangey-yellow colour. I'm not sure which E-number it is but here is a list of ingredients in American cheese whiz. hey! Milk comes below rapeseed oil!
WHEY, CANOLA OIL, MILK, MILK PROTEIN CONCENTRATE, MALTODEXTRIN , SODIUM PHOSPHATE, CONTAINS LESS THAN 2% OF WHEY PROTEIN CONCENTRATE, SALT, LACTIC ACID, SODIUM ALGINATE, MUSTARD FLOUR, WORCESTERSHIRE SAUCE (VINEGAR, MOLASSES, CORN SYRUP, WATER, SALT, CARAMEL COLOR, GARLIC POWDER, SUGAR, SPICES, TAMARIND, NATURAL FLAVOR), SORBIC ACID AS A PRESERVATIVE, MILKFAT, CHEESE CULTURE, OLEORESIN PAPRIKA (COLOR), ANNATTO (COLOR), NATURAL FLAVOR, ENZYMES.