1. Prepare the ingredients, first cut the dried prunes into small pieces for later use
2. After the butter has softened at room temperature, add the powdered sugar, beat it slightly with a whisk, add the egg liquid in 3 times
3. Make sure that the egg liquid and butter are completely mixed each time before adding the next egg liquid
4. Mix whole wheat flour, low-gluten flour, and baking powder evenly, then sieve and pour into butter cream
5. Mix well with a rubber spatula, add dried prunes
6. Mix well, then take an appropriate amount of dough and put it on the baking tray
7. Press flat with the back of a spoon to bake, preheat the oven for 8-10 minutes in advance, 200 degrees, bake for 18-20 minutes, put it on the grill to cool thoroughly, put it in a fresh-keeping bag and seal it to avoid moisture. The temperature is only For reference, please take your own oven as the standard
