Chipotle Chicken Panini

Name: Chipotle Chicken Panini
Prep time: 10 min
Cook time: 50 min
Total time: 1 h
Cuisine: American
Ingredients: 2 lbs. split chicken breasts (also known as bone-in chicken breasts); 1 Tbsp. olive oil; 1/2 tsp. kosher salt; 1/2 tsp. pepper; 2 cups arugula (or spinach); 1-2 ripe avocadoes; 1 loaf gluten free sandwich bread (or any hearty sandwich bread if not gluten free); 5-6 slices Colby Jack cheese (or cheese of choice); 2 Tbsp. butter (softened); 1/3 cup mayo; 2 Tbsp. chipotles in adobo sauce; 2 tsp. lemon juice; 1/4 tsp. sugar; 1/4 tsp. garlic powder; 1/4 tsp. kosher salt