Add 1 teaspoons sugar and warm water to yeast, let rise until it reaches the rim of a cup.
Mix all of the ingredients, except for the last four, in a large bowl. Knead the dough until it is easy to shape. add the yeast and knead until the dough is well mixed. Dust with flour, and let rise until it is double in size (several hours).
When the dough is ready, heat 2" of oil in a deep frying pan. Fry donuts until brown, turning only once.