Don't try this unless you really are a consumate professional.
1) Take one chicken breast, cook it, cut it up into tiny pieces. Blend it until it is a nice sludge. Store in fridge or freezer.
2) Once piece of bread or buy some dextrose. Grind that shit up. mix with chicken sludge.
3) Grind and mix a few almonds.
4) Add requisite amount of water or powdered skim milk.
Voila! This stuff tastes like shit, but nothing beats real food! Don't bother adding any sugar or sweetner. It won't help much.