Homemade Egg and Biscuit 2 ounces cornflour 1 pinch salt 2 tablespoons peanut oil 2 kilos self raising flour 6 eggs, beaten 4 fluid ounces water Mix all ingredients into a firm dough, roll out to fit a flat baking tray. Spray tray lightly with safe cooking oil spray. Cook in amoderate oven until pale brown. Allow to cool and than crush the cooked mixture in a blender until crumbled. Store in a airtight container and feed to birds as required.