Put 2 inches of oil in a deep pan on the stove at medium high heat, bring to 350 degrees
Use a mandolin slicer set to the thinnest setting to shave the plantain, yam, and beets
Combine salt and cayenne together
Fry as many slices as will fit without crowding, turn if necessary (total cooking time should be only about 2 minutes
Remove with tons of slotted spoon
Sprinkle with seasoning, and lime juice (optional)
Serve immediately