[analog31]

Or Europeans before potatoes.

[hedgehog]

Or peppers. Hungary without paprika!

[davidgay]

Not to mention India without the spicy peppers...

[zppln]

I heard turnips used to be all the rage.

[throwup238]

Although it should be noted that modern turnip varieties are significantly more flavorful and sweet than pre-Columbian exchange era turnips. The old varieties were usually very bland so it didn’t take much for another tuber to displace it.