In a bowl, combine flaked tuna, spices, pickles, and egg whites.
Add the contents of the Ideal Protein Potato Puree and 1 Tbsp of tuna juice to the bowl and mix thoroughly. Stir adding more tuna juice to thin if needed.
Heat grapeseed oil in a non-stick pan. Spoon in the fish cake mix to the size you want and carefully shape. Cook 4 to 5 minutes, flipping the patty when it is firm on the bottom. Cook for another 3 to 4 minutes.
If you are following an Ideal Protein protocol: One serving (half) of this recipe counts as 1/4 cup of select vegetables and a complete protein.