Caprese Sandwich with Pesto Aioli – Fresh & Flavorful

This Caprese sandwich with pesto aioli is a delicious twist on the classic Italian Caprese salad, combining fresh mozzarella, juicy tomatoes, peppery arugula, and a creamy homemade pesto aioli. Served on a crispy French baguette, it’s perfect for lunch, a picnic, or a light dinner.

Why You’ll Love This Recipe

  • Quick & Easy – Ready in just 16 minutes
  • Fresh & Flavorful – Combines creamy, tangy, and herby flavors
  • Perfect for Any Occasion – Great for lunch, picnics, or a light dinner
  • Customizable – Can be made vegan or gluten-free

What Does This Caprese Sandwich Taste Like?

  • Crispy baguette – Lightly toasted for a crunchy texture
  • Creamy mozzarella – Rich and mild, balancing the bold flavors
  • Juicy tomatoes – Sweet and tangy, bringing freshness
  • Peppery arugula – Adds a slight bite and contrast
  • Pesto aioli – A creamy, garlicky, basil-infused sauce tying everything together
  • Balsamic glaze – A sweet and tangy finishing touch
Caprese Sandwich with Pesto Aioli

Ingredients (Serves 2 Large or 4 Small Sandwiches)

For the Pesto Aioli

  • 1 cup fresh basil leaves (no stems)
  • 2 tablespoons pine nuts
  • 1 small garlic clove
  • 1/4 cup (21g) grated Parmesan cheese
  • 1/8 teaspoon ground black pepper
  • 1/4 teaspoon salt
  • 1/4 cup (60ml) extra-virgin olive oil
  • 1/2 cup (125g) mayonnaise

For the Sandwiches

  • 1 French baguette (12 ounces / 340g)
  • 2 medium ripe tomatoes, sliced
  • 8 ounces (225g) fresh mozzarella cheese, sliced
  • 2 tablespoons (30ml) balsamic glaze
  • Salt and black pepper, to taste
  • 1 cup arugula, packed

Necessary Tools

  • Baking sheet
  • Food processor or blender
  • Bread knife
  • Cutting board & knife

How to Make the Caprese Sandwich with Pesto Aioli

1. Toast the Baguette

  • Preheat oven to 350°F (180°C) (or 160°C for a fan oven).
  • Slice the baguette in half lengthwise and place it on a baking sheet, cut side up.
  • Bake for 6 minutes, or until lightly toasted.
Caprese Sandwich with Pesto Aioli

2. Make the Pesto Aioli

  • In a food processor, blend basil, pine nuts, garlic, Parmesan, black pepper, and salt until smooth. Scrape down the sides as needed.
  • Gradually add olive oil while blending.
  • Stir in mayonnaise until fully combined.

3. Assemble the Sandwich

  • Spread pesto aioli on both cut sides of the toasted baguette.
  • Season tomato slices with salt and black pepper.
  • Arrange seasoned tomato slices on the bottom half of the baguette.
  • Top with mozzarella slices, drizzle with balsamic glaze, and add arugula.
  • Cover with the top half of the baguette and press gently.

4. Serve & Enjoy

  • Slice into portions and serve immediately.
  • For picnics, wrap sandwiches in parchment paper or foil.

Pro Tips for the Best Caprese Sandwich

  • Use fresh, high-quality ingredients for the best flavor.
  • Let the tomatoes sit with salt for a few minutes to enhance their juiciness.
  • Toast the baguette lightly to prevent it from getting soggy.
  • Use a serrated knife for slicing the sandwich without squishing it.

How to Store & Make Ahead

  • Make ahead – Prepare the pesto aioli up to 3 days in advance.
  • Refrigerate leftovers – Store assembled sandwiches in an airtight container for up to 24 hours.
  • Avoid soggy bread – Keep the bread and filling separate until ready to eat.

Variations & Customizations

  • Vegan version – Use vegan mozzarella and swap mayonnaise for vegan aioli.
  • Gluten-free version – Use a gluten-free baguette or ciabatta.
  • Extra protein – Add grilled chicken or prosciutto for a heartier meal.
  • Nut-free version – Swap pine nuts for sunflower seeds or omit them entirely.

Frequently Asked Questions

Can I use store-bought pesto instead of homemade?
Yes! Mix 2 tablespoons of pesto with 1/2 cup of mayonnaise to make an easy pesto aioli.

Caprese Sandwich with Pesto Aioli

What type of bread works best?
A crusty baguette, ciabatta, or sourdough works best for structure and texture.

Can I add more toppings?
Absolutely! Try adding roasted red peppers, avocado, or a drizzle of olive oil.

Conclusion

This Caprese sandwich with pesto aioli is simple, fresh, and packed with flavor. It’s perfect for a quick lunch, a picnic, or a light dinner, bringing the best of Italian flavors in every bite.

Try this recipe today and let us know what you think!

Other Fresh & Easy Recipes

  • Classic Caprese Salad
  • Homemade Pesto Sauce
  • Mediterranean Chickpea Salad