Fruit Berry & Nut Suet Cake 12 oz. Rendered Beef Suet, Peanuts, Chopped Almonds, White Millet, Red Millet, Finely Cracked Corn, Blueberries, Cherries, and Dried Apples. Pine Tree Farm's Wild Bird Suet is rendered beef kidney fat. Top quality seeds, grains, peanut butter and peanuts, are used to attract a larger variety of wild birds.