Almond Shortbread Tart Base
Mix flour, almond flour, powdered sugar, and salt.
Rub in cold butter until sandy in texture.
Add egg and combine into a dough.
Chill for 1 hour, then roll and line into a tart mold (or ring).
Bake at 170°C (340°F) for 18–20 minutes until golden. Cool completely.