I gave my Quinn (gargoyle) some persimmon last week, she devoured it outside of her enclosure, then ate a bunch from the cap I filled with the gooey fruit! She's not very big on banana, which surprised me, but LOVES the persimmon!
Leopard Geckos do not eat fruit. Some will eat it but it's not part of their natural diet and eating fruits especially with high acidity is not good for them. Stick with insects that are gut loaded to meet the proper nutrition your gecko needs.