In a medium bowl, mix together the flour, baking powder, salt and sugar. Add in the milk, yogurt, eggs and vanilla extract. Mix until smooth.
Fold in the crushed Oreos.
Heat a large skillet over medium heat and spray with cooking spray. Scoop 1/3 cup of batter for each pancake, and flip when bubbles are covering the surface of the pancake. Cook the other side until it is golden.
Top with ice cream and melted butter. Enjoy!