Thanksgiving Dinner: Green Bean Casserole

Name: Thanksgiving Dinner: Green Bean Casserole
Ingredients: For the Fried Shallots:; 1/3 c. all-purpose flour; 1/2 tsp. cayenne; 1/2 tsp. garlic powder; 1/4 tsp. kosher salt; 1/4 tsp. black pepper; 4 large shallots, peeled and thinly sliced into rings; Canola or your favorite vegetable oil, for frying; For the Green Beans, Bacon and Gravy:; 2 1/2 lb. fresh green beans, trimmed and halved (use a little less if you like a bigger gravy to beans ratio); 8 oz. bacon; 6 tbsp. unsalted butter, divided; 16 oz. sliced button mushrooms (for more mushroom flavor, use cremini variety); 1/3 c. finely chopped shallots; 3 cloves (large) garlic, minced; 1/2 c. all-purpose flour; 1 c. low sodium chicken stock; 2 c. half-and-half; 2 tbsp. soy sauce; 1 tbsp. Worcestershire sauce; 2/3 c. grated parmesan cheese; 2 tsp. chopped fresh rosemary; 2 tsp. chopped fresh thyme; Kosher salt and freshly ground black pepper, to taste