Tuna pasta bake hearty casserole

Featured in: Classic Family Dinners

This dish combines tender pasta with savory tuna, peas, and a creamy tomato-based sauce, all baked to a bubbling golden finish. Flavored with garlic, onion, oregano, and basil, it offers a wholesome, easy meal ready in under an hour. Optional cheese topping adds extra richness, while flexibility allows plant-based alternatives for varied dietary needs. Ideal for cozy family dinners, it uses simple pantry ingredients for convenience without sacrificing flavor.

Updated on Wed, 19 Nov 2025 08:15:00 GMT
Golden-brown Tuna Pasta Bake, bubbling hot, a comforting family dinner ready to serve. Pin
Golden-brown Tuna Pasta Bake, bubbling hot, a comforting family dinner ready to serve. | panpatriot.com

A hearty, budget-friendly casserole featuring protein-rich tuna (or chickpea pasta for extra plant-based protein), perfect for family dinners and made mostly from pantry staples.

I first made this tuna pasta bake for a quick weeknight dinner when our pantry was nearly empty—surprisingly, it turned out to be a family favorite!

Ingredients

  • Pasta: 350 g (12 oz) dried pasta (regular or chickpea pasta)
  • Tuna: 2 x 160 g (5.6 oz) cans tuna in water or olive oil, drained
  • Frozen peas: 1 cup (150 g)
  • Chopped tomatoes: 1 can (400 g/14 oz)
  • Onion: 1 medium, finely chopped
  • Garlic: 2 cloves, minced
  • Olive oil: 2 tbsp
  • Plain flour: 2 tbsp
  • Milk: 1 1/2 cups (375 ml) (dairy or unsweetened plant-based)
  • Cheese: 1 cup (100 g) grated cheddar or mozzarella (optional)
  • Dried oregano: 1/2 tsp
  • Dried basil: 1/2 tsp
  • Salt and pepper: to taste
  • Bread crumbs: 1/2 cup (50 g)
  • Parmesan (or cheddar): 1/4 cup (25 g) (optional)

Instructions

Prepare oven:
Preheat oven to 200°C (400°F)
Cook pasta:
Cook pasta in a large pot of salted boiling water until just al dente. Drain and set aside.
Sauté vegetables:
While pasta cooks, heat olive oil in a large skillet over medium heat. Add onion and cook 3–4 minutes until softened. Add garlic and cook 1 minute more.
Make sauce:
Stir in flour, cook 1 minute, then gradually whisk in milk to form a smooth sauce. Simmer, stirring, until thickened (about 3–4 minutes).
Add seasonings:
Stir in chopped tomatoes, oregano, basil, salt, and pepper. Simmer 3–5 minutes.
Combine filling:
Add drained tuna, peas, and half the grated cheese. Stir to combine.
Mix with pasta:
Add cooked pasta and mix gently.
Assemble bake:
Pour mixture into a greased baking dish. Sprinkle with remaining cheese, breadcrumbs, and Parmesan (if using).
Bake:
Bake 20–25 minutes until bubbly and golden on top.
Serve:
Let cool slightly before serving.
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The kids help sprinkle the cheesy breadcrumb mix on top—it's everyone's favorite part before baking!

Serving Suggestions

Serve the tuna pasta bake with crisp green salad and crusty bread for a filling meal.

Allergen Info

Check labels for gluten-free and dairy-free substitutes if needed. Always verify if serving anyone with allergies.

Nutrition Stats

Per serving: 480 calories, 13 g fat, 60 g carbs, 29 g protein.

Creamy Tuna Pasta Bake with cheese topping, showing a delicious, budget-friendly casserole made. Pin
Creamy Tuna Pasta Bake with cheese topping, showing a delicious, budget-friendly casserole made. | panpatriot.com

This comforting bake is just as tasty as leftovers the next day. Enjoy every cheesy bite!

Recipe Questions

Can I use chickpea pasta instead of regular pasta?

Yes, chickpea pasta works well and adds extra plant-based protein while keeping the dish hearty and nutritious.

How can I make this dish vegetarian?

Omit the tuna and add drained chickpeas or extra vegetables like spinach or bell peppers for added texture and flavor.

What type of cheese is best for topping?

Cheddar, mozzarella, or Parmesan work well, either individually or combined for a golden, melty topping.

Is it possible to prepare this gluten-free?

Yes, substitute regular pasta and breadcrumbs with gluten-free versions, and ensure your flour choice suits gluten-free baking.

What is the best way to store leftovers?

Allow the bake to cool, then refrigerate in an airtight container for up to 3 days. Reheat thoroughly before serving.

Can I add extra vegetables to this bake?

Absolutely, adding chopped spinach, sweetcorn, or bell peppers can boost nutrition and add more fresh flavors to the dish.

Tuna pasta bake hearty casserole

Comforting bake with tuna, pasta, cheese, and herbs, perfect for quick meals using pantry staples.

Prep duration
15 min
Cooking duration
30 min
Total duration
45 min


Difficulty Easy

Origin International

Yield 4 Servings

Dietary requirements None specified

Ingredients

Pasta

01 12 oz dried pasta (regular or chickpea)

Protein & Pantry

01 2 cans (5.6 oz each) tuna in water or olive oil, drained
02 1 cup frozen peas (approx. 5.3 oz)
03 1 can (14 oz) chopped tomatoes
04 1 medium onion, finely chopped
05 2 cloves garlic, minced

Sauce

01 2 tbsp olive oil
02 2 tbsp all-purpose flour
03 1 1/2 cups milk (dairy or unsweetened plant-based)
04 1 cup grated cheese (cheddar or mozzarella, optional)
05 1/2 tsp dried oregano
06 1/2 tsp dried basil
07 Salt and pepper, to taste

Topping

01 1/2 cup breadcrumbs (approx. 1.8 oz)
02 1/4 cup grated Parmesan or additional cheddar (optional)

Directions

Step 01

Preheat Oven: Preheat oven to 400°F.

Step 02

Cook Pasta: Boil salted water in a large pot and cook pasta until just al dente. Drain and set aside.

Step 03

Sauté Aromatics: Heat olive oil in a large skillet over medium heat. Cook chopped onion for 3 to 4 minutes until softened. Add minced garlic and cook for 1 minute more.

Step 04

Prepare Sauce: Stir in flour and cook for 1 minute. Gradually whisk in milk to form a smooth sauce. Simmer while stirring for 3 to 4 minutes until thickened.

Step 05

Add Seasonings and Tomatoes: Add chopped tomatoes, dried oregano, dried basil, salt, and pepper. Simmer for 3 to 5 minutes.

Step 06

Incorporate Tuna and Vegetables: Add drained tuna, frozen peas, and half of the grated cheese. Stir gently to combine.

Step 07

Combine Pasta and Sauce: Add cooked pasta to the sauce mixture and mix gently until evenly combined.

Step 08

Assemble Bake: Transfer the mixture into a greased 9x13 inch baking dish. Sprinkle with remaining cheese, breadcrumbs, and Parmesan if using.

Step 09

Bake: Bake uncovered for 20 to 25 minutes until the top is golden and bubbling.

Step 10

Rest and Serve: Allow to cool slightly before serving.

Necessary tools

  • Large pot
  • Skillet or saucepan
  • Whisk
  • 9x13 inch baking dish
  • Grater

Allergy information

Review each ingredient for potential allergens and consult with healthcare providers if you're uncertain.
  • Contains fish (tuna), dairy (cheese, milk), and gluten (pasta, breadcrumbs).

Nutrition facts (per portion)

These values are estimates only and shouldn't replace professional medical guidance.
  • Calories: 480
  • Fat: 13 g
  • Carbohydrates: 60 g
  • Protein: 29 g