Mix yeast and warm water, set aside
In a blender, beat the sugar, oil, salt, egg and water with the yeast for a few minutes.
Pour the dough and add the wheat flour little by little, mixing with your hands.
Add the wheat flour until the dough does not stick to your hands and let it rise for 1 hour.
Divide the dough into parts and shape the buns
Let rise again for 40 minutes
Bake for 30 minutes