The BEST Green Bean Casserole | Part 4 of My Thanksgiving Series ✨ The only Green Bean Casserole recipe that you need this Thanksgiving! Ingredients • 1½ lbs fresh green beans, trimmed and cut in half (or two 12 oz bags) • 2 tbsp butter • 1 tbsp oil • 1 medium onion, finely chopped • 16 oz cremini mushrooms, sliced • 6–8 garlic cloves, minced • 2 tbsp butter (additional) • ¼ cup all-purpose flour • 1 cup chicken broth • 2½ cups whole milk • 2 tsp Worcestershire sauce • 2 tsp low-sodium soy sauce • 1 tsp Dijon mustard • ½ tsp salt (adjust at the end to taste) • ½ tsp black pepper • 1½ cups freshly grated Parmesan cheese, divided (¾ cup inside the casserole, ¾ cup on top) • 2 cups crispy fried onions, divided (1 cup inside the casserole, 1 cup on top) Instructions 1. Blanch the green beans: Preheat oven to 375°F. Blanch trimmed and halved green beans in salted boiling water for 3-4 minutes. Transfer to an ice bath, drain, and set aside. 2. Cook the vegetables: In a...