Homemade Tuna Noodle Casserole

Featured in: Cozy Everyday Plates

This baked tuna and egg noodle casserole combines tender pasta with flaky tuna, sautéed onions, celery, and peas in a rich creamy sauce. The sauce, thickened with butter, flour, milk, and broth, is seasoned with garlic, thyme, and pepper for depth. Cheddar cheese adds a melty texture, while a crunchy Ritz cracker and butter crust provides a golden finish. Quick to prepare, this comforting dish is great served hot with fresh parsley garnish, perfect for a family meal.

Updated on Mon, 08 Dec 2025 21:30:47 GMT
Golden-brown Homemade Tuna Noodle Casserole with a crispy Ritz cracker topping, ready to serve. Save
Golden-brown Homemade Tuna Noodle Casserole with a crispy Ritz cracker topping, ready to serve. | basilrise.com

Homemade Tuna Noodle Casserole with a Ritz cracker crust is a classic American comfort dish that brings warmth and satisfaction to the dinner table. Combining tender egg noodles with flaky tuna, savory vegetables, and a creamy sauce, this baked casserole is topped with buttery, crunchy Ritz crackers for an irresistible finish. Perfect for an easy family meal, it’s a recipe that delivers nostalgia and deliciousness in every bite.

Golden-brown Homemade Tuna Noodle Casserole with a crispy Ritz cracker topping, ready to serve. Save
Golden-brown Homemade Tuna Noodle Casserole with a crispy Ritz cracker topping, ready to serve. | basilrise.com

This casserole is a perfect weeknight meal that can be made ahead of time or enjoyed fresh from the oven. Its creamy texture and cheesy goodness pair wonderfully with green veggies or a crisp salad for a balanced plate.

Ingredients

  • Pasta
    12 oz (340 g) wide egg noodles
  • Sauce
    2 tbsp unsalted butter
    1 medium yellow onion, finely chopped
    2 stalks celery, finely diced
    1 cup (120 g) frozen peas
    3 tbsp all-purpose flour
    2 cups (480 ml) whole milk
    1 cup (240 ml) low-sodium chicken or vegetable broth
    1/2 cup (120 ml) sour cream
    1/2 tsp garlic powder
    1/2 tsp dried thyme
    1/2 tsp kosher salt
    1/4 tsp black pepper
  • Tuna & Mix-ins
    2 (5 oz / 140 g) cans solid white tuna in water, drained and flaked
    1 cup (115 g) shredded cheddar cheese
  • Topping
    1 sleeve (about 30) Ritz crackers, crushed
    3 tbsp unsalted butter, melted
    2 tbsp chopped fresh parsley (optional)

Instructions

1. Preheat the oven
Preheat the oven to 375°F (190°C). Grease a 9x13-inch (23x33 cm) baking dish.
2. Cook noodles
Cook the egg noodles in a large pot of boiling salted water until just al dente, about 6 minutes. Drain and set aside.
3. Sauté vegetables
In a large skillet over medium heat, melt 2 tbsp butter. Add onion and celery; sauté until softened, 5 minutes. Stir in frozen peas and cook 1 minute more.
4. Make sauce
Sprinkle flour over the vegetables. Cook, stirring, for 1 minute. Gradually whisk in milk and broth. Cook, whisking constantly, until the sauce thickens, about 3–4 minutes.
5. Finish sauce
Remove from heat. Stir in sour cream, garlic powder, dried thyme, salt, and pepper until smooth.
6. Combine mixture
In a large bowl, combine cooked noodles, tuna, cheddar cheese, and the sauce mixture. Mix gently to combine.
7. Transfer to baking dish
Transfer the mixture to the prepared baking dish and spread evenly.
8. Prepare topping
In a small bowl, combine crushed Ritz crackers and melted butter. Sprinkle evenly over the casserole.
9. Bake
Bake uncovered for 25–30 minutes, until bubbly and golden brown on top.
10. Rest and serve
Let rest for 5 minutes. Garnish with chopped parsley if desired. Serve hot.

Zusatztipps für die Zubereitung

For best texture, avoid overcooking the noodles before baking. Use low-sodium broth to control saltiness, and be gentle when mixing tuna into the noodles to keep it flaky. Letting the casserole rest after baking helps the flavors meld and the sauce set.

Varianten und Anpassungen

Substitute Greek yogurt for sour cream for a lighter twist. For additional depth of flavor, add 1/2 cup sautéed mushrooms to the sauce. Use vegetable broth to keep it fully pescatarian and vegetarian-friendly aside from the tuna.

Serviervorschläge

This tuna noodle casserole pairs beautifully with a crisp green salad or steamed green beans. To elevate the meal, serve it alongside a chilled glass of white wine like Chardonnay for a perfect balance.

Save
| basilrise.com

This timeless Homemade Tuna Noodle Casserole with Ritz Cracker Crust is a soul-satisfying dish ideal for any occasion. Its creamy, cheesy layers combined with the crispy topping create a universally loved meal that will keep everyone coming back for more.

Recipe Help

What noodles work best in this dish?

Wide egg noodles are ideal as they hold the creamy sauce well and provide a tender texture after baking.

Can I substitute the tuna with another ingredient?

Yes, flaky white fish or cooked shredded chicken can be used as alternatives for similar texture and flavor.

How can I make the topping crispier?

Ensure the cracker topping is evenly coated with melted butter and bake uncovered until it turns golden brown and crunchy.

What can I add to increase vegetable content?

Sautéed mushrooms, additional peas, or diced carrots can be mixed into the sauce for extra vegetables.

Is there a lighter substitute for sour cream?

Greek yogurt can be used instead of sour cream to reduce fat while maintaining creaminess.

How should leftovers be stored?

Cover tightly and refrigerate for up to 3 days. Reheat gently to maintain moisture and texture.

Homemade Tuna Noodle Casserole

Creamy baked noodles with tuna, savory veggies and crispy Ritz cracker topping for a comforting meal.

Getting Ready Time
20 min
Time to cook
35 min
Time Required
55 min
Created by Claire Hastings

Recipe type Cozy Everyday Plates

Skill Level Easy

Cuisine American

Serves 6 Portions

Dietary guidelines None specified

What You Need

Pasta

01 12 oz wide egg noodles

Sauce

01 2 tbsp unsalted butter
02 1 medium yellow onion, finely chopped
03 2 stalks celery, finely diced
04 1 cup frozen peas
05 3 tbsp all-purpose flour
06 2 cups whole milk
07 1 cup low-sodium chicken or vegetable broth
08 1/2 cup sour cream
09 1/2 tsp garlic powder
10 1/2 tsp dried thyme
11 1/2 tsp kosher salt
12 1/4 tsp black pepper

Tuna & Mix-ins

01 2 (5 oz) cans solid white tuna in water, drained and flaked
02 1 cup shredded cheddar cheese

Topping

01 1 sleeve (about 30) Ritz crackers, crushed
02 3 tbsp unsalted butter, melted
03 2 tbsp chopped fresh parsley (optional)

Steps

Step 01

Prepare oven and baking dish: Preheat oven to 375°F. Grease a 9x13-inch baking dish.

Step 02

Cook noodles: Boil egg noodles in salted water until just al dente, about 6 minutes. Drain and set aside.

Step 03

Sauté vegetables: Melt 2 tbsp butter in a large skillet over medium heat. Add onion and celery; cook until softened, approximately 5 minutes. Stir in frozen peas and cook for an additional minute.

Step 04

Make sauce base: Sprinkle flour over vegetables and cook, stirring constantly, for 1 minute. Gradually whisk in milk and broth. Continue cooking and whisking until sauce thickens, about 3 to 4 minutes.

Step 05

Finish sauce: Remove from heat. Stir in sour cream, garlic powder, dried thyme, salt, and pepper until fully incorporated.

Step 06

Combine main ingredients: In a large bowl, gently mix cooked noodles, tuna, cheddar cheese, and sauce until evenly combined.

Step 07

Assemble casserole: Spread mixture evenly in the prepared baking dish.

Step 08

Prepare topping: Combine crushed Ritz crackers with melted butter and sprinkle evenly over the casserole surface.

Step 09

Bake: Bake uncovered for 25 to 30 minutes until bubbly and golden brown on top.

Step 10

Rest and garnish: Allow casserole to rest for 5 minutes. Garnish with chopped parsley if desired before serving hot.

Kitchen Essentials

  • Large pot
  • Large skillet
  • Whisk
  • Mixing bowls
  • 9x13-inch baking dish
  • Oven

Possible Allergens

Go through ingredients for allergens. Reach out to a health expert if you're unsure.
  • Contains wheat, milk, fish; may contain soy and egg. Verify ingredient labels for allergen information.

Nutrition details (per portion)

Nutrition info is for reference only, not a substitute for specialist advice.
  • Calorie Count: 470
  • Fats: 22 g
  • Carbohydrates: 46 g
  • Proteins: 22 g