I think there is an error in the recipe. Where it says "4 dried egg whites, reconstituted according to package directions (equivalent to 2 egg whites)", I think it should say "4 tsp. dried egg whites...". I found it very confusing that it asked for 4 egg whites equivalent to 2 egg whites. However, my dried egg white container said that 4 tsp = 2 egg whites, so it must be the case that the recipe is missing the word "tsp." It worked very well when I used 4 tsp. This was delicious and worth the work. I'm going to try adding hazelnut liqueur to the crust instead of the water, and I may try dissolving the the gelatin over hazelnut liqueur. Don't know if it's going to work, but it sure would be delicious!