1. 1. In a skillet, cook ground beef until browned. Add black beans and cook until heated through. Stir in American cheese until melted.

2. 2. In a bowl, mix all-purpose flour with cold water to form a dough.

3. 3. Roll out the dough and cut into circles. Fill each circle with the beef and black bean mixture.

4. 4. Fold the circles in half, crimp the edges with a fork to seal, and brush with egg wash.

5. 5. Bake in the oven until golden brown and crispy.