What Would Be the Best Way for Denarius to Modify

What would be the best way for Denarius to modify his prize-winning chili recipe to make its protein content more healthful?

A) Replace the canned diced tomatoes with fresh diced tomatoes.
B) Replace the extra lean ground beef with ground turkey (with the skin ground in) .
C) Reduce the amount of kidney beans and add more ground beef.
D) Reduce the amount of ground beef and add more kidney beans and celery.
E) Replace ground beef with pork sausage and add cubed cheddar cheese.