Blueberry Jam Cookies

Overview

Prepare required materials
Add the powdered sugar to the butter and wait until the butter melts
Add the egg liquid to the mixed butter in two batches, stir with a mixer until fully combined
Add low-gluten flour and stir until it forms
Put it into a piping bag and prepare for piping
Decorate flowers and touch the blueberry jam (the flower shape is not good-looking the first time)
Preheat the oven to 200 degrees for 5 minutes, adjust the upper and lower heat to 200 degrees, and bake for 15 minutes (adjust the time appropriately according to the thickness of the cookie)