Whisk together flour, sugar, baking powder, baking soda, and salt.
Beat 1 egg in a measuring cup or bowl. Beat in milk and vegetable oil.
Add the wet mixture to the dry mixture.
Whisk gently but keep it lumpy.
Add the Ube extract.
Stir it gently.
PURPLE POWER. Let the batter rest for 10 minutes.
Melt butter in a electric griddle or non-stick pan, on medium heat. Ladle about 3/4 cup batter into the pan for each pancake. 4-6 at a time. Cook for 2-3 minutes on first side.
Cook for 2-3 minutes on first side or until it bubbles up.
Flip the pancakes to cook the other side for another minute or so. Place them in the platter. Wrap the plate with foil to keep them warm while you cook the rest.