The BEST Tuna Casserole

4.92 from 59 votes

The Best Tuna Casserole is SO easy to make! Made with a simple from scratch sauce, egg noodles, tuna, peas and a crunchy Panko-Parmesan topping, this comfort food classic is sure to be a new family favorite! Serve with homemade dinner rolls and broccoli salad for a simply delicious dinner!

Course Dinner, Main

Cuisine American

Keyword casserole, tuna casserole, tuna noodle casserole

Prep Time 15

Cook Time 25

Total Time 40

Servings

Calories 247kcal

Author Trish - Mom On Timeout

Ingredients

3 cups wide egg noodles about 5 oz
1/4 cup unsalted butter
1 cup celery chopped
1 red bell pepper chopped
1/2 onion diced
1/4 cup all purpose flour
1/2 tsp salt
1/2 tsp ground black pepper
2 1/4 cups whole milk
2 tbsp Dijon mustard
12 oz water packed chunk tuna drained
1/2 cup frozen peas thawed
4 oz cheddar cheese shredded
1/2 cup panko bread crumbs
1/4 cup grated Parmesan cheese
1 tsp smoked paprika
1 tbsp parsley chopped
1 tbsp butter melted

Instructions

Preheat oven to 375 degrees. Lightly grease a 2 quart baking dish and set aside.
Cook noodles according to package directions, removing when al dente. Drain, and set aside.
Melt butter in a large skillet over medium heat. Add celery, bell pepper, and onion and cook until onion is translucent, stirring frequently.
Stir in flour, salt and pepper. Slowly add milk and cook, stirring constantly until thick and bubbly. Stir in Dijon mustard.
Add tuna, peas, noodles, and cheddar cheese and fold into the sauce.
Pour mixture into the prepared dish.
Combine Panko, Parmesan cheese, smoked paprika parsley and melted butter in a small bowl and sprinkle over the top.
Bake casserole for 25 to 30 minutes, uncovered, or until heated through and golden brown on top. Let stand for a few minutes before serving.

Video

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