Can not, 15 minutes is not cooked, at least 35 minutes to cook. The following is the practice of red bean barley sugar water:

Main ingredient: red bean 120g, barley 100g.

Accessories: rock sugar moderate.

1, prepare the ingredients used.

2, wash the red beans and barley soaked in advance about 3 hours.

3, add the red beans with water to the pressure cooker.

4, then barley with water into the pot.

5. Add enough water at once.

6, turn on the pressure cooker for 35 minutes.

7, after the final fall of gas add rock sugar and cook until the rock sugar melts.

8, finished.