There are so many variations ... to most any meat or seafood entree, and would ... cheese, a little sour cream, dried chopped onion, garlic ... so for the jumbos.
Note: I make my own ... cheese, pastrami, dairy sour cream and mustard. Pat out 1/3 of the meat mixture on baking dish, then ... on top of loaf and bake 5 minutes.
Soak bread or cracker crumbs in milk. Mix meat, seasonings and soaked crumbs ... separate bowl, mix sour cream and mushroom soup. Make meat mixture into loaf and pour the sour cream-soup ... for 1 1/2 hours.