What a hit! Will be making again next week!

Servings: 6

2 cups cooked salmon, flaked
1 1/2 cups egg noodles, cooked al dente
1 can (10.5 oz) cream of mushroom soup
1 cup milk
1/2 cup grated cheddar cheese
1/2 cup frozen peas, thawed
1/4 cup diced onion
1/4 cup diced celery
1/4 cup breadcrumbs
2 tablespoons melted butter
Salt and pepper to taste