Browse our selection of grass-fed ground beef, from 75% to 90% lean! We also have 55% lean beef ground with beef heart for those on a ketogenic diet. Our beef is all natural, sustainably raised, 100% grass-fed and grass-finished. Our grass-fed cattle have the finest salad bar diet available making these delicious and nutritious. Patties, sliders and more, all right here; you won't find a better burger anywhere!