I came up with this one the other week as I had bought some king crab legs from the supermarket as they had them not only on special but actually in stock. They were of a medium size no where near the size of the ones I bought when I made my stuffed Ostrich loin as I was only stuffing 2 steaks this time. I did fill them quite full and I bought very thick cut steaks I would guess they would have been between 250-300g a piece. I say that as I do not know the exact weight of them as silly me took them out of the pack and threw it away and forgot to look at the weight to write down as I usually do so I have it for when I post. I guess just judge from the photo as to what you would need, mine was the smaller of the 2 steaks my husbands was thicker. I also used a sachet of bearnaise sauce to make the recipe quicker, you can make your own if you prefer.