[ajb]

In the 80s some bright spark realised that the smell of baking bread makes people hungry and buy more food, so now most large-enough UK supermarkets bake in-store.

[pushkine]

I believe nowadays they have automatic sprays for bakery smells, I saw a documentary about it like 10 years ago

[wkat4242]

Freshly baked bread is also a lot more delicious, especially when it's still warm.