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 On Toast ?

You need 7 ingredients. The key ingredients include: 1 tablespoon extra-virgin olive oil (preferably Spanish), 1 medium yellow onion, thinly sliced, 1/2 teaspoon sea salt, divided, 4 plum tomatoes, halved lengthwise, and more.

Is Tuna On Toast suitable as seafood?

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

How do I store leftover Tuna On Toast ?

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

Tuna On Toast Recipe

Name: Tuna On Toast
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 tablespoon extra-virgin olive oil (preferably Spanish); 1 medium yellow onion, thinly sliced; 1/2 teaspoon sea salt, divided; 4 plum tomatoes, halved lengthwise; 1 baguette, cut into 16 slices (1/2 inch each) and toasted; 1 can (6 ounces) Spanish oil-packed bonito tuna (such as Ortiz), drained and flaked; 1 tablespoon chopped fresh chives

Try this homemade Tuna On Toast recipe the whole family will love. Made with extra-virgin olive oil, yellow onion, salt and tomatoes. Easy step-by-step …

This Tuna On Toast relies on simple, everyday ingredients such as sea salt, divided and chopped fresh chives. It comes together quickly and makes 4 servings, at about 175 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

Servings: persons

1 tablespoon extra-virgin olive oil (preferably Spanish)
1 medium yellow onion, thinly sliced
1/2 teaspoon sea salt, divided
4 plum tomatoes, halved lengthwise
1 baguette, cut into 16 slices (1/2 inch each) and toasted
1 can (6 ounces) Spanish oil-packed bonito tuna (such as Ortiz), drained and flaked
1 tablespoon chopped fresh chives

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
175 kcal
Category
Seafood

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