For a richer flavor, use European-style plant-based butter alternative with a higher fat content. Dusting the fork with flour or icing sugar is key to prevent sticking and ensuring a clean pattern on each cookie. Store cooled shortbread cookies in an airtight container at room temperature for up to 5 days. Feel free to experiment with different flavors by adding a pinch of cinnamon, citrus zest, or chopped nuts to the dough.