Trying to remember back from my jaw surgery.... I couldn't chew for 8 weeks
One of my favorites during that time : cook up ground hamburger - really break it up so the peices are really tiny. Takes work but worth it & then make a sloppy joe type mix. I just used Cambell's tomato soup & season it with onion powder, garlic powder, pepper & worchestershire sauce. Put a little grated parmeson cheese on it - the Kraft stuff in a can works well because you don't have to chew it. Spoon in & swallow.
Gross as it sounds, I also ate spaghetti-0's. You can swallow those too without chewing.
Protien drinks - no straw

, shakes, etc.
I'll see if I can remember anything else. It was 17 years ago