Melon pears are the most delicious fruits I've ever tasted. (That will probably change once I manage to get my hands on a cherimoya one day).
Lemon apple cucumbers are round and yellow and taste a bit sweeter than regular cucumbers.
What can I say, I love experimenting with unusual veggies, lol.
Sometimes it turns out to be a success, like with the Yacon and Crosne last year. Sometime it doesn't: tomatillos tasted awful and kiwano was too mean with all those tiny little thorns, so I banned them from the garden after the first year, making space for other unknown plants, like the Chayote :0)