>>2820125haven't personally used it, but from what I've read in the past just a medium glob enough to cover most of the bend in the hook but not completely obscure it (pic rel)
also if it floats on its own, you will probably need a dropshot setup to present bottom-up whereas if it sinks, a float
don't cast too hard and keep track of the splashes when it lands; if there's an extra, most likely the bait detached