How to make walnut crisp?

Formula: 80g of corn oil, 70g of sugar, 25g of whole egg liquid, low-gluten flour 145g, baking powder 1.5g, baking soda 1.5g, and 50g of cooked walnut chips.

Exercise:

1. Add corn oil, white sugar and whole egg liquid into a bowl, stir well together, sieve into powder, stir until there is no dry powder, add chopped walnut kernels and mix well.

2. Divide into 12 portions, knead and flatten, and put in a baking tray. ?

3. Preheat the oven in advance, and fire at 170 degrees for about 20 minutes (the oven temperature can be adjusted according to the actual situation). ?

4. It's a little soft after baking, but brittle when it's cold.