1. After the butter is softened, add powdered sugar to beat
2. Add egg yolk and vanilla seeds and stir well
3. Sift in low-gluten flour, almond flour, baking powder, salt and stir well
4. Sprinkle a little high-gluten flour on the baking paper, roll the dough to a thickness of 5mm with a rolling pin, and refrigerate for 30 minutes
5. Cut into shape with a 6cm cutting die, brush with egg yolk, draw patterns on the surface, put it in the middle of the oven at 160 degrees, about 20 minutes
Tips:①The name of this biscuit, the French name Galletes Bretonnes, is different in different books due to different translations, and the recipe is also slightly different. Yeast powder is added to the recipe called "Brietton Shortbread" in the third book of the Fruit School. Koyama Jin's "small thick shortbread" is also derived from this traditional French dessert.
②About baking powder: baking powder is a kind of food additive. There are two types of baking powder on the market. One is containing alum. This kind of baking powder contains metallic aluminum, which can easily cause Alzheimer's disease after long-term consumption. , Bone fragility, vascular diseases, so we must pay attention to whether it is aluminum-free baking powder when buying (the product package is marked), as long as it is used in accordance with the proportional standard, it is safe for the human body to use aluminum-free baking powder .
③When baking, you must cover the mold on the biscuit to keep the shape, otherwise it will swell into a large flat piece.
