4 boniatos sliced lengthwise.
1-1/2 cup sweet apple juice
Pinch of salt
2 tablespoons butter

Slice lengthwise and set peel side up in a pan. Pour 1-1/2 cups sweet apple juice over boniatos. Add butter and a pinch of salt to juice. Bake in 375 degree F. for 1 hour or more, until very tender and juice has evaporated and become sticky. This recipe can also be used with yams.