For me it's mushrooms and also showers.
Mushrooms were the disgusting things that weren't nice in any way! Now I love them, eat the raw, fried, grilled, in soup etc 😋
I absolutely loathed showers, even to the point where I'd sit in the showe tray and try and have a really shallow bath! Love them now. Absolutely hate baths now and only have them when no alternative is available.
Not sure when I moved from a hate to a love...but there we go!