Hhhggg:If you want to be drinking your calories you can use maltodextrin
Bodybuilder use them in weight gain shakes !
But u can put them in pretty everything đź‘Ś
There is only slight sweetness to it and it desolves perfectly in water or any other liquid.
So like, in juice or tea you will hardly notice it.
Eating cereals you can put it in the milk.
It digests easily so u don’t get full.
Also it is not expensive, when buying lage containers you can get a deal so that would be my best bet to your problem
One cup should come in around 700-800 calories !
So adding this daylie you can gain a solid 3-5 pounds per mounth.
When you manage to meet your calorie requirement by your normal eating 👌🤝