Cream of chicken Soup made with milk or chicken broth, ran it thru the blender and strained it, I made this up 2-3 cans at a time, strained it and put it in my refrigerator, so I could just pour a cup and microwave.
sugar free Jell-o with coolwhip
Slim-Fast High Protein, chocolate was my favorite.
All the Campbells Condensed Soups can be thinned down enough to strain. I did a lot of the bean one (Beans are high in protein).
EGGNOG -- OH MY GOSH, I Love that stuff. But you want to watch its high caloric value.
Sugar free icecream (just make sure its liquid when it goes down)
All Fruit Popsicles.
Lots and LOTS of bottled Water, I found that it helped me to do bottled because I had to drink 1 bottle every 2 hours to stay hydrated.
Apple juice, but I had to cut it with water because the acid got to me. (Someone suggested to me getting the baby juices because they have alot of the acidity taken out, but I didn't try that)
MILK, lots of milk, chocolate, white, strawberry you name it.
HOT COCOA was my salvation, bought the sugar free mix and made it with Milk to get the protein, I added flavors to that too.
JAMBA JUICE --- I watched what I choose, tending to stay to the peachy ones, and asked them to "blend the hell out of it". My doctor also suggested Orange Julius drinks. Both of which you can ask to have protein added to.
I didn't do many of the mixes, but greatly disliked the Myoplex stuff, YUCK. Carnation instant Breakfast worked too, but it didn't have enough Protein for my liking.
Some of the greatest advice I got was try some of the stuff out before surgery, because the few days out from surgery you aren't going to want to "think through" what you are going to consume, you just want to open the refrigerator and have something to eat.
Also, warm stuff seems to trigger my head that I'm eating so I tended to make a point of having something warm for major meals.