Sweet potatoes are up there with a good hair cut, purring cats, and sunlight through fiery autumn leaves. The simple sweetness is all I need on a chilly evening. But it’s not all about the coppery hued variety, which litter my counter tops like fallen leaves. There’s such a thing as white sweet potatoes, too. Rwandans love sweet potatoes, especially white sweet potatoes which they boil, mash, and even fry. I first saw this in action on the a Peace Corps blog En Route Rwanda: With help from some of our house mates and dinner guests, we peeled and sliced several kilos of knobby white sweet potatoes, which Zilpa then spent hours double-frying on the second charcoal stove. According to the Rwanda Agricultural Research Institute: Sweet potato is a major staple food in Rwanda and one of the second largest produces in terms of tons after bananas. The ability of sweet potato to adapt to a wide range of growing conditions, in both fertile and marginal areas, as well as its rapid growth rate as a ground cover to …