Smells, as I am not the first to point out, have some deep connection to the psyche. Bacon smells are an excellent case in point. For some reason, the example that springs to my mind is camping – something I haven’t done in many years. But it was so recognisable a phenomenon. Cook bacon yourself and yes, it smells good. But if you were camping, and you got up early morning to go for a wash and walked past someone else’s tent and they were cooking bacon, that’s when the smell drove you crazy. That’s when you would kill for a bacon butty.
And that’s exactly the point here. The smells are fundamentally pleasant smells, but associated with a particular time and a particular place that is important to you, the power those smells then have over you, if you catch a hint of them in some other context, is overwhelming.
I do have a contrary story actually. Not that a particular smell wasn’t evocative – it was very powerfully evocative – but the memory it evoked was not a good one. My secondary school dining hall. It was pervaded by a very particular smell that at the time, I didn’t know what it was but I knew that I didn’t like it. Whatever it might happen to be that was actually for dinner, and even when it wasn’t dinner time, if you found yourself walking through that hall, that smell hung around permanently. And it was only years later when, in circumstances that I forget exactly, I caught a hint of that smell, instantly recognised it, the wheels turned and suddenly I understood exactly what it was, the smell that had pervaded that school dining hall all those years previously. It was the smell of burned mince. Various dishes based on mince were a regular staple, and they would fill those, what are they, ten twenty litre pots with whatever they were cooking and stir them inadequately, with the result that there was a thick layer of burned stuff at the bottom that flavoured everything you ate and hung around like a guest that has overstayed their welcome. Sorry to bring it down, this thread was supposed to be favourite smells, but it was just my reaction to the subject.