We have tried this at the Holland V Fat Boy’s outlet, it seems like the recipe differs slightly.

I was more on the cheesy note previously, but this time, they were more generous with other ingredients (mushroom, bell pepper).

$11 for 4 slices.

Full picture review:
http://www.thejulietmike.com/2017/11/26/fat-boys-the-burger-bar-cheap-good-building-your-own-burgers-family-group-friendly/