01 -
In a large bowl, beat butter and powdered sugar until light and fluffy (2 minutes). Mix in vanilla and almond extracts. Gradually add flour, salt, and ground almonds, mixing until a soft dough forms. Cover and chill the dough for 30 minutes.
02 -
In a small bowl, mix blueberry preserves with lemon zest (if using).
03 -
Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper. Scoop 1 tablespoon of dough, flatten slightly, and place 1/2 teaspoon of blueberry filling in the center. Gently wrap the dough around the filling, rolling into a smooth ball. Place on the baking sheet, spacing them 1 inch apart.
04 -
Bake for 12-15 minutes, until lightly golden on the bottom. Let cookies cool for 5 minutes, then roll in powdered sugar while still warm. Once fully cooled, roll again for a snowy effect.