Ultimate Tuna Noodle Casserole

Name: Ultimate Tuna Noodle Casserole
Ingredients: 8 oz. Extra Broad Noodles; 3 tbsp. butter, divided; 1/2 medium yellow onion, chopped; 2 celery stalks, chopped; 1 pt. cremini mushrooms, thinly sliced; 1/2 tsp. kosher salt; Freshly ground black pepper; Pinch of cayenne pepper; 2 tbsp. flour; 3/4 c. low-sodium chicken broth; 1/2 c. whole milk; 1 tbsp. lemon juice; 1 6-oz. can water-packed tuna, drained and flaked; 1 c. white cheddar, grated; 1/2 c. freshly grated Parmesan, divided; 2 tbsp. Freshly Chopped Parsley; 2 tbsp. freshly chopped dill; 2 tbsp. freshly chopped chives; 1/4 c. panko bread crumbs