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-and-Apple Crostini?

You need 7 ingredients. The key ingredients include: Eight 3/4-inch-thick, diagonally cut baguette slices, Extra-virgin olive oil, for brushing and drizzling, Kosher salt, 2 tablespoons plus 2 teaspoons mayonnaise, and more.

Is Tuna-and-Apple Crostini suitable as seafood?

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

How do I store leftover Tuna-and-Apple Crostini?

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

Tuna-and-Apple Crostini Recipe

Name: Tuna-and-Apple Crostini
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: Eight 3/4-inch-thick, diagonally cut baguette slices; Extra-virgin olive oil, for brushing and drizzling; Kosher salt; 2 tablespoons plus 2 teaspoons mayonnaise; 1 Granny Smith apple, cored and thinly sliced; 8 ounces good-quality tuna packed in olive oil, drained and flaked; Small parsley leaves, for garnish

Try this homemade Tuna-and-Apple Crostini recipe the whole family will love. Made with baguette slices, Extra-virgin olive oil, Kosher salt and mayonnai…

This Tuna-and-Apple Crostini relies on simple, everyday ingredients such as kosher salt and plus 2 teaspoons mayonnaise. It comes together quickly and makes 4 servings, at about 565 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

Eight 3/4-inch-thick, diagonally cut baguette slices
Extra-virgin olive oil, for brushing and drizzling
Kosher salt
2 tablespoons plus 2 teaspoons mayonnaise
1 Granny Smith apple, cored and thinly sliced
8 ounces good-quality tuna packed in olive oil, drained and flaked
Small parsley leaves, for garnish

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
565 kcal
Category
Seafood

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