What is a melange? Can you eat it?!
It's a cross between a melon & an orange. You can definitely eat it as long as you peel the skin. The seeds are poisonous so don't eat them.
Fantasy Fruit Book
You may mean the coffee drink that is similar to a cappuccino. Here's the Wikipedia entry ("wiener" means "Viennese" and "melange" means "blend"):
Here's what another section of Wikipedia says:
"A café mélange is a black coffee mixed (french "mélange") or covered with whipped cream, popular in Austria, Switzerland and the Netherlands."
a mixture, a medley
good old DICtionary
A melange is a horde of things.