I didn’t learn this recently and it’s not so crazy (so I guess this doesn’t fit at all lol), but I’ve always thought it was cute that margherita pizza was invented/named for the Queen of Italy (Margherita of Savoy) and its ingredients were to represent Italy’s flag.
The same person who puts it on a pizza.
Butter can also be white based on the milk/cream it is made from. My shop buys a lot of farm fresh milk for ice cream. We use some of the cream to make butter. for a while, it was completely white because the cows only got hay but we recently had good rain and now that they got fresh grass the butter is yellow.