This may help you with relearning to eat. The texture of food plays a big part in relearning to eat. Plus of course things arent tasting right all the time which makes it even harder. Recovery is a strange time full of ups and downs and setbacks but you need to keep trying different things. The trismus can make eating more difficult too.
Having no teeth makes it much more difficult trying to chew foods so its able to be swallowed. Some people have gums that will harden making it a little easier, but its not the same as eating with your own teeth. In time your gums might toughen up so it will be a little easier. You didnt mention if you had dentures or if they were a possibility.
Here is a list of foods that are easier to eat. I hope this helps.
Easy to Eat Food List