Gaining

im in the same boat as you

Liquid ice cream is great. Rich soup is good too. You can pack a lot of calories in with liquids; you digest it quicker and it will stretch your stomach. For solids, alternate salty and sweet. Would love to hear how it works for you!

Here are two really good recipes:
fantasyfeeder.com/cms/forum/view-thread.php

fantasyfeeder.com/cms/forum/view-thread.php

I like using chocolate syrup with heavy cream. It makes it taste so much better and adds some more calories.

Brioche bread is like 50% butter plus it's light and airy so you can eat a whole lot of it without filling up your stomach.