Feeling hungry – and maybe a little indecisive? Head to one of these speciality restaurants around the world, each of which doggedly focuses on one thing only. The laser-focused restaurants on our list offer incredibly streamlined menus all about one dish or ingredient, whether that's the humble avocado, perfect pancakes or mac 'n' cheese served with any toppings you could possibly imagine.

Click or scroll through our gallery to discover the most unusual speciality restaurants from around the world – counting down to the craziest of all.

We've based our ranking on diner reviews, how unusual each restaurant is, and on the opinions of our well-travelled (and well-fed) team. The list is unavoidably subjective.

The craziest speciality foods from restaurants around the world