Cream together the apple butter, brown sugar, white sugar, and butter until combined.
Mix in the egg, egg yolk, and vanilla extract until combined.
Fold in the flour, baking powder, and salt until just combined.
Scoop into 2 tbsp sized balls and roll each one in turbinado cinnamon sugar.
Press the back of a round tablespoon into the dough and fill it with apple butter. Bake at 350 for 12 minutes and enjoy!