For best results, ensure your ube extract or ube halaya (jam) is of good quality for vibrant color and authentic flavor. Chilling the dough is crucial for the crinkle effect, so don't skip this step. If the dough is too sticky to roll, add a little more flour, but be careful not to overmix. Cookies are best stored in an airtight container at room temperature for up to 3-4 days.
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