Whisk together eggs, sugar, and melted butter until combined.
Add in the vanilla, oil, and milk. Mix until combined.
Add in the flour, baking powder, and salt.
Blend together until batter forms. It will be thick but should not be lumpy.
Preheat a skillet or electric griddle.
Spray the center with cooking spray.
Spoon 1/3 cup of prepared batter into the center, cooking for about 2 mins.
Flip once bubbles appear on the top and cook for an additional 1-1.5 mins.
Repeat with remaining batter.