I consider this the king of comfort food casseroles. What I love about this recipe, other than that it is simple and easy, is that it doesn’t require the traditional can of cream of mushroom soup — but it still has the same amount of creamy, decadent goodness that every casserole should. Serve this with a green salad on the side.
Prep Time:
15 mins
Cook Time:
55 mins
Additional Time:
10 mins
Total Time:
1 hr 20 mins
Servings:
8
Yield:
1 9×13-inch casserole

Ingredients
3 tablespoons unsalted butter
- ½ cup finely diced yellow onion
- 1 ½ teaspoons kosher salt, divided
- 3 tablespoons all-purpose flour
- 4 cups cold milk
- 1 cup shredded white Cheddar cheese
- 1 (12 ounce) package dry egg noodles
- 2 (5.5 ounce) cans tuna packed in olive oil, drained and crumbled, or to taste
- ¾ cup frozen peas, thawed and drained
- 1 pinch cayenne pepper
- ¼ teaspoon freshly ground black pepper
- ¼ teaspoon Worcestershire sauce
- ½ cup plain bread crumbs
- ½ cup grated Parmigiano-Reggiano cheese
- 2 tablespoons olive oil

Directions
Process 1
Preheat the oven to 375 degrees F (190 degrees C). Lightly butter a 9×13-inch casserole dish.
Process 2
Melt 3 tablespoons butter in a medium saucepan over medium heat. Saute onion with 1/2 teaspoon kosher salt until it starts to soften up and turn translucent, 3 to 4 minutes. Add the flour, and cook, stirring, for 3 minutes, reducing heat if needed.
Process 3
Pour in cold milk and whisk for 1 minute. Raise heat to medium-high and cook, stirring often, until the sauce thickens and comes to a simmer. Remove from heat, whisk in Cheddar cheese, and reserve until needed.

Process 4
Fill a large pot with water and remaining salt and bring to a rapid boil. Cook egg noodles for 5 minutes. Drain well and add to a large mixing bowl. Stir in the reserved sauce, followed by tuna, peas, cayenne, black pepper, and Worcestershire sauce. Mix with a spatula until evenly combined.
Process 5
Pour the mixture into the prepared dish. Mix bread crumbs, Parmigiano-Reggiano cheese, and olive oil together in a small bowl until combined and resembling wet sand. Sprinkle evenly over the casserole
Process 6
Bake in the center of the preheated oven until browned and bubbly, about 30 minutes. Let sit for 10 minutes before cutting and serving.

Nutrition Facts (per serving)
511 | Calories |
23g | Fat |
46g | Carbs |
30g | Protein |
