Ube Cookie Dough: In a medium-size bowl, add the Ube Halaya powder, sugar, and oil. Mix and add in the egg and the Ube flavor. Mix until incorporated.
Sift : All purpose flour, salt, and baking powder and mix until the mixture is well incorporated.
Before baking: Cover the cookie dough with plastic wrap and refrigerate for an hour.
Preheat oven: Place the oven rack at the middle of the oven and preheat at 350 F
When ready, scoop two tablespoons of the dough and form the cookie dough into a ball. Roll into the Powdered sugar. Place in a cookie pan, with 2 inches distance between each other, and bake for 12 minutes.
After baking remove the cookie from the pan and let it cool in the wire rack.