There are few things as delightful as the first bite into a perfectly constructed cheese toastie.
It needs to be crunchy… but not burnt; warm… but not molten.
It needs to be stringy and gooey and luscious… but not runny.

Whatever your cheese toastie recipe is, I'm sure it's great. It's probably served you well for many an office lunch or kiddie weekend dinner.
But I HIGHLY recommend you give this little hack a try...
You know how, before you toast it, you spread butter on the outside of the bread?
Instead of spreading butter on the outside of the bread... try mayonnaise. Whole egg mayonnaise.

Top Comments
Oh. MyGod.
Just made one.
Divine.
Duh. Mayonnaise contains oil. You'd get the same effect simply by brushing the bread with oil.