Make Cauliflower Mash according to recipe. Add in the 4 tablespoons coconut flour and stir through to thicken the mash up. Add shallots, tuna, Dijon, salt and pepper and mix through. Let the cauliflower mix cool until close to room temperature.
Place 1 cup coconut flour in a bowl. Divide the cauliflower mix and shape into balls, roll each ball gently in the coconut flour and then flatten out into a cake/patty shape (I found this was much easier than shaping them into cakes and then rolling in the flour. They seemed to fall apart too easily that way).
Fry over medium high heat in some of the butter and olive oil in a large frying pan. Cook in batches. Keep a close eye on them to make sure they don’t burn and flip very gently. If the fat gets all soaked up, add a bit more.
Wipe out pan between batches to keep cakes from getting black or dirty looking. Heat more butter and olive oil. Repeat until all cakes have been cooked. Serve with side of your choice or a salad.