How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Tuna Italiano?

You need 12 ingredients. The key ingredients include: 1 (8 oz.) pkg. Mozzarella (1/2 shredded, rest 1/2-inch cubes), 1 (7 1/2 oz.) can tuna packed in water, flaked and drained, 1 medium red onion, thinly sliced and quartered, 1 basket cherry tomatoes, quartered, and more.

Is Tuna Italiano suitable as seafood?

Yes, Tuna Italiano falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Tuna Italiano?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Tuna Italiano Recipe

Name: Tuna Italiano
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 (8 oz.) pkg. Mozzarella (1/2 shredded, rest 1/2-inch cubes); 1 (7 1/2 oz.) can tuna packed in water, flaked and drained; 1 medium red onion, thinly sliced and quartered; 1 basket cherry tomatoes, quartered; 2 large stalks celery, diced; 2 Tbsp. oil; 1 Tbsp. leaf basil, crumbled; 1/8 tsp. black pepper; 3 Tbsp. red wine vinegar; 1/2 tsp. salt; 1/4 tsp. red pepper flakes, crushed; 4 whole-wheat pita breads

Try this homemade Tuna Italiano recipe the whole family will love. Made with Mozzarella, tuna, red onion and basket cherry tomatoes. Easy step-by-step i…

This Tuna Italiano relies on simple, everyday ingredients such as large stalks celery, diced, oil, leaf basil, crumbled and black pepper. It comes together quickly and makes 4 servings, at about 189 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Tuna Italiano

Tips for the best results

Variations & substitutions

My Personal Notes

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