Sour Cassava

3 pounds yuca (cassava), cut into small dice (about 3 cups)
salted water
2 tablespoons butter
2 tablespoons soy sauce
1 1/2 tablespoons brown sugar

Cook the yuca in the salted water for 25 minutes. Drain and set
aside. Melt the butter in a frying pan. Add the soy sauce and sugar.
When butter mixture starts to bubble, add the yuca. Saute over
medium-high heat for 5 minutes.