The animal nutritionist guy that developed the ground meat recipe said a % of grain/vegies is a requirement in their diets along with the vitamin supplements. Heck, even dogs can't live on meat alone. Probably why my dogs grazed on grass in the backyard.Our pug, Iggy, gets a diet of either boiled ground chuck meatballs (very small) or boiled chicken breast, rotated week to week. She [wife] adds it to some Rachel Ray's dry dog food and sprinkles it with a little shredded sharp cheddar cheese....He'll just sit there and look at you funny with his head cocked to the side until the cheese goes on. Hmmm...yeah, I think she spoiled him.
We were about to start making our dog's food because of allergies but he died. Probably from the Chinese import ingredient sourced commercial dog food. After 47 years of enjoyable dog ownership we decided not to buy anything that requires food.
I'll post the recipe link if I can find it. Maybe Rachel has Iggy covered.