Tuna casserole is pure comfort food, a delicious way to bring family and friends together around the dining table. There’s something wonderful about the creamy, cheesy goodness that warms the heart and soul. This dish is a classic, and when prepared with wholesome ingredients like whole wheat pasta and peas, it becomes even more appealing. Imagine a cozy evening with a warm bowl of casserole; it’s not just a meal, but a heartwarming experience.
In this recipe, you’ll enjoy the delightful combination of 2 cups whole wheat pasta, 1 can (15 oz) tuna, 1 cup frozen peas, 1 can (10.5 oz) cream of mushroom soup, 1 cup shredded cheddar cheese, and 1/2 cup milk. Add 1/2 teaspoon garlic powder, 1/2 teaspoon onion powder, and season with salt and pepper to taste. Together, these ingredients create a rich flavor profile, balancing creaminess with a hint of savory goodness. If you want a bit of crunch, you can sprinkle breadcrumbs on top for extra texture.
The method for making this tuna casserole is quite simple, making it perfect for cooks of any skill level. First, preheat your oven to 350°F (175°C). Cook the whole wheat pasta, then drain it. In a large bowl, combine the pasta with tuna, peas, soup, cheese, milk, and seasonings, mixing thoroughly. Transfer this mixture into a greased baking dish, top with breadcrumbs if you like, and bake for 25-30 minutes until it’s golden and bubbling. After it’s done, let it cool a bit before serving.
This casserole is perfect for chilly nights when you want something filling. It’s also great for potlucks or family gatherings, where easy, shareable dishes shine. So whether you’re hosting friends or simply looking to enjoy a cozy meal at home, this Tuna Casserole with Whole Wheat Pasta and Peas fits the bill beautifully.

Why You’ll Love This Tuna Casserole with Whole Wheat Pasta and Peas
- Quick and Easy: Ready in about an hour, perfect for busy nights.
- Healthy Ingredients: Whole wheat pasta and peas add nutritional value and fiber.
- Comfort Food: The creamy texture and cheesy flavor will warm your heart.
- Flexible Recipe: Easily adjusted to include your favorite veggies or other proteins.
- Family-Friendly: A dish that appeals to both kids and adults alike.
Tuna Tips
When selecting tuna for your casserole, consider using high-quality, sustainably sourced tuna. Choose a chunk light or packed tuna, as it tends to have a milder flavor that blends well with the other ingredients. Always check the label for added ingredients; plain tuna with minimal additives will provide the best flavor in your dish. If possible, opt for tuna packed in water instead of oil for a healthier and less greasy final result.
Options for Substitutions
- Use gluten-free pasta if you need a gluten-free version of this recipe.
- Substitute canned chicken for the tuna if you prefer a different protein.
- For a vegetarian option, replace tuna with chopped mushrooms or small diced zucchini.
- Swap cream of mushroom soup with a different cream soup, like cream of chicken or a homemade white sauce.
- Use different cheese like Monterey Jack or a dairy-free cheese for lactose intolerance.
- Replace milk with almond milk or any other plant-based alternative.
Watch Out for These Mistakes
One common mistake is overcooking the pasta before baking. Whole wheat pasta should be slightly undercooked to prevent it from becoming mushy during the baking process. Cook it for just a few minutes less than the package indicates, as it will continue to cook in the oven.
Another pitfall is not seasoning adequately. Don’t forget to taste your mixture before transferring it to the baking dish. The flavors will develop in the oven, but starting with a well-seasoned base ensures a more flavorful casserole.
Also, avoid adding the breadcrumbs too early. If you want a crispy topping, only add them just before baking. If added too soon, they can become soggy and lose their crunch.

What to Serve With Tuna Casserole with Whole Wheat Pasta and Peas?
This hearty casserole pairs wonderfully with fresh, crisp side dishes. For a balanced meal, consider serving a simple green salad with a light vinaigrette. Steamed broccoli or green beans provide a nutritious, colorful contrast. You might also like crusty whole grain bread on the side for a bit of extra texture and to soak up the creamy goodness.
Storage Instructions
Store: Leftovers can be kept in the refrigerator in an airtight container for up to 3 days.
Freeze: You can freeze the casserole for up to 3 months. For best results, store in an airtight, freezer-safe container and be sure to label it with the date.
Reheat: To reheat, you can use the stovetop over low heat, stirring occasionally until warmed through. Alternatively, microwave individual portions for about 2-3 minutes, or until hot, stirring halfway through.
Recipe Info
Preparation Time: 15 minutes
Cooking Time: 30 minutes
Total Time: 45 minutes
Level of Difficulty: Easy
Servings: 4-6
Estimated Nutrition
Estimated nutrition for the whole recipe (without optional ingredients):
- Calories: 750-800
- Protein: 45-50 grams
- Fat: 30-35 grams
- Carbohydrates: 75-80 grams
Ingredients
- 2 cups whole wheat pasta
- 1 can (15 oz) tuna, drained
- 1 cup frozen peas
- 1 can (10.5 oz) cream of mushroom soup
- 1 cup shredded cheddar cheese
- 1/2 cup milk
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- Salt and pepper to taste
- Breadcrumbs (optional, for topping)

Step-by-Step Instructions
Step 1: Preheat Oven and Prep Pan
Start by preheating your oven to 350°F (175°C). Grease a baking dish with a little cooking spray or butter to ensure your casserole doesn’t stick.
Step 2: Cook the Pasta
Cook 2 cups of whole wheat pasta according to the package instructions. It’s best to slightly undercook it, as it will continue cooking in the oven later. Once done, drain and set aside.
Step 3: Mix Ingredients
In a large bowl, combine the drained tuna, 1 cup frozen peas, 1 can cream of mushroom soup, and 1 cup shredded cheddar cheese. Add 1/2 cup milk, 1/2 teaspoon garlic powder, 1/2 teaspoon onion powder, and season with salt and pepper to taste. Mix everything until well combined.
Step 4: Combine Pasta and Mixture
Fold the cooked and drained pasta into the tuna mixture, making sure every piece of pasta is coated with that creamy goodness.
Step 5: Transfer to Baking Dish
Pour the entire pasta and tuna mixture into your greased baking dish. If you like, sprinkle breadcrumbs on top for added crunch.
Step 6: Bake
Place the dish in the preheated oven and bake for 25-30 minutes. Look for the top to become golden and the sauce to bubble.
Step 7: Cool and Serve
Once out of the oven, let the casserole cool for a few minutes before serving. This waiting time allows the flavors to settle and makes it easier to serve.
In conclusion, this Tuna Casserole with Whole Wheat Pasta and Peas is more than just a recipe; it’s a wonderful way to create comforting meals that nourish the body and soul. I encourage you to give this dish a try and relish in its warmth and deliciousness. Feel free to share your thoughts or modifications you made, and explore our other comforting recipes for more inspiration. Happy cooking!
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Tuna Casserole with Whole Wheat Pasta and Peas
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 4-6 servings 1x
- Category: Main Course
- Method: Baking
- Cuisine: American
- Diet: Pescatarian
Description
A creamy and cheesy tuna casserole with whole wheat pasta and peas, perfect for cozy evenings and family gatherings.
Ingredients
- 2 cups whole wheat pasta
- 1 can (15 oz) tuna, drained
- 1 cup frozen peas
- 1 can (10.5 oz) cream of mushroom soup
- 1 cup shredded cheddar cheese
- 1/2 cup milk
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- Salt and pepper to taste
- Breadcrumbs (optional, for topping)
Instructions
- Preheat your oven to 350°F (175°C) and grease a baking dish.
- Cook the whole wheat pasta according to the package instructions, slightly undercooking it.
- Combine the drained tuna, peas, mushroom soup, cheddar cheese, milk, garlic powder, onion powder, salt, and pepper in a large bowl.
- Fold the cooked pasta into the tuna mixture until everything is well combined.
- Pour the mixture into the greased baking dish and sprinkle breadcrumbs on top if desired.
- Bake for 25-30 minutes, until golden and bubbling.
- Let it cool for a few minutes before serving.
Notes
For a healthier version, use gluten-free pasta or substitute chicken for tuna. Be careful not to overcook the pasta.
Nutrition
- Serving Size: 1 serving
- Calories: 750
- Sugar: 5g
- Sodium: 600mg
- Fat: 32g
- Saturated Fat: 12g
- Unsaturated Fat: 15g
- Trans Fat: 0g
- Carbohydrates: 75g
- Fiber: 8g
- Protein: 47g
- Cholesterol: 70mg