When I was a kid, we had a pear tree growing in our yard. Yet the various foods which mom made from the pears varied greatly in taste.

With the pears, it was visually obvious to the pear-pickers (us kids) that each pear was different, and that their character varied from year to year. (I'd guess based mostly on weather.) Similarly obvious how pears that were only cooked enough to start melting the ice cream scooped onto them would taste quite different from pears cooked down into jam, or pears that were caramelized in a fry pan (to be put on top of ice cream), or...