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 Sardines with Tomato, Sweet Onion, and Grana Padana?

You need 9 ingredients. The key ingredients include: 1 medium ripe tomato, cored and finely chopped, 2 teaspoons fresh lemon juice, 1 tablespoon extra-virgin olive oil, Salt and freshly ground black pepper to taste, and more.

Is Sardines with Tomato, Sweet Onion, and Grana Padana suitable as seafood?

Yes, Sardines with Tomato, Sweet Onion, and Grana Padana falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Sardines with Tomato, Sweet Onion, and Grana Padana?

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

Sardines with Tomato, Sweet Onion, and Grana Padana

Name: Sardines with Tomato, Sweet Onion, and Grana Padana
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 medium ripe tomato, cored and finely chopped; 2 teaspoons fresh lemon juice; 1 tablespoon extra-virgin olive oil; Salt and freshly ground black pepper to taste; Two 6-inch lengths store-bought or Four-Hour Baguettes; 1 cup baby arugula or other baby greens, washed and dried; 1/4 cup very thinly sliced sweet onion, such as Maui or Vidalia; One 4-ounce can oil-packed sardines, drained well; 1 1/2 ounces Grana Padana or Parmesan cheese, shaved with a vegetable peeler

Try this homemade Sardines with Tomato, Sweet Onion, and Grana Padana recipe the whole family will love. Made with tomato, lemon juice, extra-virgin oli…

This Sardines with Tomato, Sweet Onion, and Grana Padana relies on simple, everyday ingredients such as fresh lemon juice and extra-virgin olive oil. It comes together quickly and makes 4 servings, at about 89 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 medium ripe tomato, cored and finely chopped
2 teaspoons fresh lemon juice
1 tablespoon extra-virgin olive oil
Salt and freshly ground black pepper to taste
Two 6-inch lengths store-bought or Four-Hour Baguettes
1 cup baby arugula or other baby greens, washed and dried
1/4 cup very thinly sliced sweet onion, such as Maui or Vidalia
One 4-ounce can oil-packed sardines, drained well
1 1/2 ounces Grana Padana or Parmesan cheese, shaved with a vegetable peeler

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Quick Info

Servings
4 servings
Calories
89 kcal
Category
Seafood

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Sardines with Tomato, Sweet Onion, and Grana Padana

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