The Graceland kitchen where the famous Peanut Butter and 'Nanner Sandwich was one of Elvis' favorites.  His long time cook, Mary Jenkins Langston, said she cooked meals in king size portions and he also preferred chicken-fried steak, meatloaf, hamburger steak, and family-size bowls of banana pudding.  Once when Elvis was hospitalized and on a restricted diet, Ms. Langston smuggled in bags of hot dogs and sauerkraut.

Elvis' cook and confidante talks fondly of her friend in this BBC interview:

https://www.youtube.com/watch?v=eBVGMjbLZb4