Sour Cream and Onion Tuna Noodle Casserole

Category: Main Dish

Cuisine: not set

Ready in 1 hour
by ThePioneerWomanRecipes

Ingredients

6 Tablespoons Unsalted Butter Plus A Bit More For Buttering The Baking Dish

1 Large Yellow Onion Finely Chopped

3 stalks Celery Chopped

3 cloves Garlic Minced

1/3 cup All-purpose Flour

2 cups Whole Milk

3/4 cups Half-and-half

1/4 cup Grated Parmesan

1 teaspoon Dry Mustard

Kosher Salt And Freshly Ground Black Pepper

1-1/2 cup Frozen Peas

16 ounces, weight Cavatappi Noodles (Rotini Or Elbow

1/3 cup Sour Cream

4 ounces, weight Grated Gruyere Cheese

2 Tablespoons Chopped Fresh Dill Plus A Bit More For Garnish

2 Tablespoons Chopped Fresh Chives Plus A Bit More For Garnish

2 cans (5 Oz. Size) Albacore Tuna Drained, Broken Into 1/2-inch Chunks

2 cups Coarsely Crushed Sour Cream And Onion Flavored Pot Or As Needed


Directions

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