Check out the nutrition in 8 ounces of oysters, a dozen eggs and a half-pound of liver. If you keep plugging in other organ meats (goat liver will surprise you!) it doesn't take long to see that you don't technically need to eat plants at all. BUT - don't forget that cats eat grass and the stomach contents of their prey, wolves eat berries, etc.
Steak, eggs, potatoes - fruits, nuts, berries and forage. Coconut milk and potent herbs and spices. Tea instead of coffee now and teeny amounts of kelp daily. Let's see how this does! Not really had dairy much, and gut seems better for it.