How to gain weight?

[zlake]

Hi everyone!
So yesterday i took my new Russian tortoise, Boris, to the vet that i volunteer at to get a check up. He got a clean bill of health except he needs to gin weight. Are there any good foods or methods that anyone knows to make that happen?

 

[Careym13]

Mazuri is something a lot of people use to help their torts put on weight, once or twice a week usually.