Shredded Buffalo Chicken Sandwiches with Blue Cheese Aioli

Name: Shredded Buffalo Chicken Sandwiches with Blue Cheese Aioli
Ingredients: 1/4 cup hot sauce; 1/4 cup Worcestershire sauce; 2 tablespoons molasses; 3 cloves garlic, minced; 1 yellow onion, diced; One 14-ounce can tomato sauce; 2 pounds boneless, skinless chicken breasts; Salt and freshly ground pepper; 6 hamburger buns, split and toasted; Celery leaves, for serving; Blue Cheese Aioli, for serving, recipe follows; 1/2 cup crumbled blue cheese; 1/3 cup mayonnaise; 1 teaspoon fresh thyme leaves; 1 clove garlic, minced