Hearty Tuna Pasta Bake

Featured in: Everyday Favorites

This hearty dish combines tender pasta with savory tuna, sweet peas, and a rich tomato sauce. A creamy cheese topping and breadcrumb crust create a golden finish. Easy to prepare, it uses pantry staples and is perfect for family dinners. Vegetarian options are available by swapping tuna for chickpeas and adding vegetables.

Updated on Wed, 19 Nov 2025 16:09:00 GMT
Golden, bubbling Tuna Pasta Bake with a crispy breadcrumb topping, ready to serve. Save
Golden, bubbling Tuna Pasta Bake with a crispy breadcrumb topping, ready to serve. | crumbnest.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 on a busy weeknight and it instantly became a regular favorite. Everyone in our house loves how the crispy topping and creamy sauce pair with the tender pasta.

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:
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.
Make Sauce Base:
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.
Thicken 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.
Add Tuna & Peas:
Add drained tuna peas and half the grated cheese. Stir to combine.
Combine with Pasta:
Add cooked pasta and mix gently.
Bake:
Pour mixture into a greased baking dish. Sprinkle with remaining cheese breadcrumbs and Parmesan (if using).
Finish:
Bake 20–25 minutes until bubbly and golden on top. Let cool slightly before serving.
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| crumbnest.com

When we serve this for a cozy family dinner everyone digs in and the leftovers vanish by the next day. It is definitely one of our all-time comfort food favorites.

Serving Suggestions

Pair this tuna pasta bake with a crisp green salad and some crusty bread. A simple side completes the meal for a satisfying weeknight supper.

Variations

For a vegetarian option swap the tuna for canned chickpeas or add extra vegetables like chopped spinach bell peppers or sweetcorn. You can also experiment with cheddar or mozzarella for the cheesy topping.

Nutrition Information

Each serving provides about 480 calories 13 g fat 60 g carbohydrates and 29 g protein making it a balanced choice for lunch or dinner.

A warm and comforting baked Tuna Pasta Bake, filled with savory tuna and tender pasta. Save
A warm and comforting baked Tuna Pasta Bake, filled with savory tuna and tender pasta. | crumbnest.com

This tuna pasta bake is extra tasty with a sprinkle of fresh herbs on top or another handful of cheese just before serving. Everyone will ask for seconds!

Recipe FAQ

Can I substitute tuna with a plant-based protein?

Yes, chickpeas make a great alternative, providing similar texture and added plant protein.

What pasta types work best for this bake?

Short dried pasta like penne or fusilli is ideal to hold the sauce well. Chickpea pasta can also be used for extra protein.

How can I make the dish dairy-free?

Use unsweetened plant-based milk and omit or replace cheese with a dairy-free alternative.

Is it possible to prepare this in advance?

Yes, assemble and refrigerate before baking, then cook just before serving to maintain freshness.

What can I add for more vegetables?

Chopped spinach, bell peppers, or sweetcorn can be mixed in to boost nutrition and color.

Hearty Tuna Pasta Bake

A comforting casserole with tuna, pasta, cheese, and tomatoes baked until golden and bubbly.

Prep duration
15 min
Cook duration
30 min
Complete duration
45 min
Created by Chloe Martin


Skill Level Easy

Heritage International

Output 4 Portions

Dietary considerations None specified

Components

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 (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 more cheddar (optional)

Directions

Phase 01

Preheat oven: Set the oven to 400°F (200°C) to preheat.

Phase 02

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

Phase 03

Sauté aromatics: Heat olive oil in a skillet over medium heat. Cook onion for 3–4 minutes until softened. Add garlic and cook for 1 additional minute.

Phase 04

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

Phase 05

Add tomatoes and seasoning: Mix in chopped tomatoes, oregano, basil, salt, and pepper. Simmer for 3–5 minutes.

Phase 06

Combine proteins and vegetables: Add drained tuna, frozen peas, and half of the grated cheese. Stir gently to combine.

Phase 07

Incorporate pasta: Fold in the cooked pasta until evenly mixed.

Phase 08

Assemble casserole: Transfer mixture to a greased 9x13 inch baking dish. Evenly sprinkle with remaining cheese, breadcrumbs, and Parmesan if using.

Phase 09

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

Phase 10

Rest and serve: Allow to cool slightly before serving to set flavors and texture.

Tools needed

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

Allergy details

Review each component for potential allergens and seek medical guidance if you're uncertain about ingredients.
  • Contains fish (tuna), dairy (milk, cheese), and gluten (pasta, breadcrumbs).

Nutritional information (each portion)

These values are approximate guides only and shouldn't replace professional medical consultation.
  • Energy: 480
  • Fats: 13 g
  • Carbohydrates: 60 g
  • Proteins: 29 g