Hearty Tuna Pasta Bake

Featured in: Simple Oven Dishes

This dish features tender pasta baked with savory tuna, sweet peas, and a flavorful tomato sauce infused with herbs. A creamy base thickened with milk and flour enriches the casserole, topped with cheese and breadcrumbs for a golden, crunchy finish. Ready in under an hour, it's ideal for quick, satisfying family meals using common pantry ingredients. Variations include a plant-based option with chickpea pasta and added vegetables for extra nutrition.

Updated on Wed, 19 Nov 2025 16:24:00 GMT
Golden-brown topping crowns this Tuna Pasta Bake, a comforting family meal ready to serve. Pin this
Golden-brown topping crowns this Tuna Pasta Bake, a comforting family meal ready to serve. | plumoven.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 when looking for a comforting dish that everyone in my family could enjoy. It quickly became a go-to choice for busy nights because of its simple steps and crowd-pleasing flavors.

Ingredients

  • Pasta: 350 g (12 oz) dried pasta (regular or chickpea pasta)
  • Protein & Pantry: 2 x 160 g (5.6 oz) cans tuna in water or olive oil drained 1 cup (150 g) frozen peas 1 can (400 g/14 oz) chopped tomatoes 1 medium onion finely chopped 2 cloves garlic minced
  • Sauce: 2 tbsp olive oil 2 tbsp plain flour 1 1/2 cups (375 ml) milk (dairy or unsweetened plant-based) 1 cup (100 g) grated cheese (cheddar or mozzarella optional) 1/2 tsp dried oregano 1/2 tsp dried basil Salt and pepper to taste
  • Topping: 1/2 cup (50 g) breadcrumbs 1/4 cup (25 g) grated Parmesan or more cheddar (optional)

Instructions

Preheat 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 Onion & Garlic:
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.
Prepare 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 Tomatoes & Herbs:
Stir in chopped tomatoes oregano basil salt and pepper. Simmer 3 5 minutes.
Combine Protein & Cheese:
Add drained tuna peas and half the grated cheese. Stir to combine.
Mix 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.
Cool & Serve:
Let cool slightly before serving.
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This casserole brings back memories of cozy evenings with my family gathered around the table. It's always a hit and gets everyone asking for seconds.

Serving Suggestions

Serve this tuna pasta bake with a crisp green salad and some crusty bread for a satisfyingly complete meal.

Substitutions & Variations

For a vegetarian version omit tuna and add a can of drained chickpeas or extra vegetables like spinach bell peppers or sweetcorn.

Allergen Information

This recipe contains fish dairy and gluten but can use gluten-free pasta and plant-based milk and cheese substitutes as needed for dietary requirements.

Imagine digging into a flavorful, steaming Tuna Pasta Bake with creamy sauce and herbs. Pin this
Imagine digging into a flavorful, steaming Tuna Pasta Bake with creamy sauce and herbs. | plumoven.com

This tuna pasta bake is the perfect way to enjoy a comforting meal with minimal fuss. Leftovers reheat beautifully for easy lunches the next day.

Recipe FAQs

Can I use a plant-based pasta alternative?

Yes, chickpea pasta works perfectly here, adding extra protein and suitable for a vegetarian adaptation.

What cheese works best in this dish?

Cheddar or mozzarella are great choices; Parmesan adds a sharp finish to the topping if desired.

How can I make the sauce dairy-free?

Substitute regular milk with unsweetened plant-based milk like almond or oat to keep the sauce creamy without dairy.

Is it possible to add extra vegetables?

Absolutely, adding spinach, bell peppers, or sweetcorn can boost the nutrition and flavor without altering the base method.

Can gluten-free pasta be used in this dish?

Yes, both gluten-free pasta and gluten-free breadcrumbs are suitable to accommodate dietary needs.

Hearty Tuna Pasta Bake

Comforting tuna and pasta dish with peas, tomatoes, and a crispy golden topping.

Prep time
15 min
Time to cook
30 min
Total Duration
45 min
Created by Plum Oven Sophie Warren


Level of challenge Easy

Cuisine type International

Servings made 4 Portions

Dietary details None specified

Ingredient List

Pasta

01 12 oz dried pasta (regular or chickpea pasta)

Protein & Pantry

01 2 cans (5.6 oz each) tuna in water or olive oil, drained
02 1 cup frozen peas (150 g)
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 plain 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 (50 g)
02 1/4 cup grated Parmesan or additional cheddar (optional)

How-To Steps

Step 01

Preheat Oven: Set oven to 400°F (200°C) to prepare for baking.

Step 02

Cook Pasta: Boil salted water in a large pot and cook pasta until just al dente; drain and keep aside.

Step 03

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

Step 04

Prepare Sauce: Add flour to the skillet and cook for 1 minute, stirring constantly. Gradually whisk in milk to create a smooth sauce. Simmer the sauce while stirring until it thickens, approximately 3 to 4 minutes.

Step 05

Add Tomatoes and Seasoning: Incorporate chopped tomatoes, dried oregano, dried basil, salt, and pepper into the sauce. Simmer the mixture for 3 to 5 minutes to blend flavors.

Step 06

Combine Protein and Vegetables: Stir drained tuna, frozen peas, and half of the grated cheese into the sauce until evenly combined.

Step 07

Mix Pasta: Gently fold the cooked pasta into the sauce mixture, ensuring thorough coating.

Step 08

Assemble for Baking: Transfer the pasta blend into a lightly greased 9x13 inch baking dish. Sprinkle the remaining cheese, breadcrumbs, and Parmesan on top.

Step 09

Bake: Place the dish in the preheated oven and bake for 20 to 25 minutes until the surface is golden and bubbling.

Step 10

Cool and Serve: Allow the casserole to cool briefly before serving.

Equipment Needed

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

Allergy Advisories

Review each item for allergens and talk to your healthcare provider if unsure.
  • Contains fish (tuna), dairy (cheese, milk), and gluten (pasta, breadcrumbs).

Nutrition info (per portion)

This nutritional overview is meant for general information. For medical concerns, ask a professional.
  • Caloric Value: 480
  • Fats: 13 g
  • Carbohydrates: 60 g
  • Proteins: 29 g