PURPOSE: To prepare soft sweetened beans making the most of the taste and flavor of peanut, having good taste and durability, by carring out sufficient immersion in water and repeated boiling.

CONSTITUTION: Peanuts with skins are immersed in water to which a small amount of sodium bicarbonate is added, swelled sufficiently, put in cold water to which a small amount of sodium bicarbonate is added, boiled by a high fire, and, after boiling, it is boiled slowly by a low fire, the fats of peanuts are removed, the first boiling is carried out, and the peanuts are softened. The peanuts are sprinkled with cold water, cooled, boiled by a high fire, boiled slowly by a low fire, the second boiling is carried out, the peanuts are defatted and softened, washed, cooled, the third boiling is carried out, almost all fats of the peanuts are removed, the peanuts having tissue solidified by the removal of fat are boiled softly.