Spud-Hut London Bridge

You're standing on Duke Street Hill near London Bridge, queue forming behind you, watching someone load a baked potato with proper toppings. Spud-Hut does the thing that should be everywhere but somehow isn't—excellent potatoes, done right, at prices that won't sting. The kiosk format means you're eating standing up or taking it with you, which is fine because the food moves fast and tastes better than it has any right to for the money. Nearly 4.9 stars from over 330 reviews tells you locals aren't just being nice.