Steps

1. Cooking oil poured into a bowl

2. Add sugar

3. Add powdered milk

4. Add egg and mix

5. Add baking soda and mix

6. Walnuts ready to chop

7. Chopped into a bowl and mix well

8. Sift flour

9. Form a smooth dough and refrigerate for two hours

10. Flatten the dough with your thumb and place it on a baking tray

11. Preheat the oven to 170 degrees Celsius and place it on the lower shelf for 20 minutes