brain sandwiches (USA) these are not as common as they were in the past, but in parts of Ohio you can still get fried brains served on hamburger buns. Brains don't have mach Flavour, so you eat the sandwiches with plenty of sauce.
Insects (Asia Africa and South America) many insects are high in protein and contain important fatty acids and vitamins. In Thailand it's common to find fried grasshoppers, crickets, scorpions and worms on sale in the street. In Cambodia fried tarantula are a delicacy; people eat the legs two at a time.