Spread 1/2 tablespoon of butter on one side of each piece of bread.
4 slices sourdough bread, 2 tablespoons butter
In a small bowl, combine the chicken, mozzarella, buffalo sauce, and blue cheese.
1 cup shredded chicken, 1 cup mozzarella, 1/2 cup buffalo sauce, 1/4 cup blue cheese crumbles
Preheat a large skillet with a cover over medium heat. Place two pieces of bread buttered side down in the hot skillet. Top each piece of bread with half of the cheese and chicken mixture. Top with the remaining bread, buttered side up.
Cover and cook the sandwiches for three minutes. Flip the sandwich, recover, and cook for three more minutes. Serve and enjoy!