nothing.....it's just too much of a pain to go to any trouble and mask the flavor.
with some peptides I tried two or three years ago, I used to mix it in yogurt.....that always tasted pretty good.
honestly, and this'll sound gross to most, quite a few times I just took 1/2 or 1/4 tbsp and tossed it in my mouth and repeated until I had a total of 1 tbsp.