Chocolate Orange Sandwich Biscuits
1.
The butter is softened at room temperature, add powdered sugar and mix well, add egg yolk and mix well
2.
Sift in low-flour, potato starch (potato flour), add cocoa powder, mix, and form a dough, refrigerate for 20 minutes
3.
Take it out, roll it into a 0.3 cm thick sheet, pierce some small holes with a fork
4.
Use a mold to press out the biscuit dough, put it in a baking tray, preheat the oven to 160 degrees, bake the middle layer for about 18 minutes, and then use the remaining temperature to simmer for 5-10 minutes
5.
Orange Grated
6.
Soften the cheese and butter, mix well, add powdered sugar and beat until white
7.
Add orange zest and mix well
8.
Squeeze on the biscuit, just overlap the two pieces