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 Crostini?

You need 14 ingredients. The key ingredients include: 1 tablespoon olive oil, 5 ounces button mushrooms sliced, 4 tomatoes seeded and diced, 2 stems fresh basil chopped, plus additional leaves, for garnish, and more.

Is Crostini suitable as snacks & appetizers?

Yes, Crostini falls under the Snacks & Appetizers category and is a great choice for this type of meal.

How do I store leftover Crostini?

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

Crostini Recipe – Eats Now

Name: Crostini
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 tablespoon olive oil; 5 ounces button mushrooms sliced; 4 tomatoes seeded and diced; 2 stems fresh basil chopped, plus additional leaves, for garnish; 6 ounces tuna in spring water drained; 3 tablespoons mayonnaise; 1 tablespoon capers plus additional, for garnish; 1 dash lemon juice; 2 sage leaves fresh, cut into thin strips; 1 onion thinly sliced; 3 tablespoons butter; 1 clove garlic crushed; 9 ounces ciabatta bread sliced; lemon slices for garnish

Try this homemade Crostini recipe the whole family will love. Made with olive oil, mushrooms, tomatoes and basil. Easy step-by-step instructions included.

This Crostini relies on simple, everyday ingredients such as olive oil, button mushrooms sliced, tomatoes seeded and diced and tuna in spring water drained. It comes together quickly and makes 4 servings, at about 289 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 Snacks & Appetizers

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

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.

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

My Personal Notes

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Crostini

Tips for the best results

Variations & substitutions

My Personal Notes

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