Caprese sandwich with arugula is the ultimate fusion of bold flavors and wholesome ingredients. This recipe combines creamy fresh mozzarella, juicy tomatoes, and the peppery punch of arugula, all layered on golden focaccia. Packed with vitamins and healthy fats, this sandwich is as nutritious as it is satisfying. The addition of basil, olive oil, and optional pickled onions elevates it into a restaurant-quality meal you’ll adore.

We developed this recipe to prove that healthy eating doesn’t mean sacrificing flavor. After experimenting with countless ingredient combinations, this version stands out as the perfect balance of taste, texture, and nutrition. Whether you’re looking for a quick lunch, a meatless dinner, or a dish that aligns with your wellness goals, this sandwich delivers everything you need in one bite.
Why This Caprese Sandwich with Arugula Is Good for You
- Rich in fiber: The arugula and tomatoes contribute fiber to support digestion and keep you feeling full longer.
- Calcium-packed: Fresh mozzarella adds a boost of calcium, essential for strong bones and teeth.
- Healthy fats: Extra-virgin olive oil provides heart-healthy monounsaturated fats and antioxidants.
- Vegetarian-friendly: Perfect for meatless meals, with easy vegan modifications available.
- Full of vitamins: Tomatoes supply vitamin C, while basil offers vitamin K and manganese for overall health.
Wholesome Ingredients for This Caprese Sandwich with Arugula
Every ingredient in this easy Caprese sandwich recipe was selected for its flavor, quality, and nutritional benefit. Here’s why these key components shine:
- Arugula: This peppery leafy green is rich in antioxidants and adds a bright, fresh flavor. For an extra nutrient boost, try swapping in baby spinach.
- Fresh mozzarella: The creamy texture and mild taste perfectly complement the other ingredients. Opt for high-quality, low-moisture mozzarella for the best results.
- Tomatoes: Juicy, ripe tomatoes are the heart of any best Caprese sandwich. You can use heirloom or beefsteak tomatoes, or even roasted cherry tomatoes for extra sweetness.
- Focaccia: This airy, olive oil-infused bread is ideal for sandwich building. For a gluten-free option, substitute with your favorite gluten-free bread.
Caprese Sandwich with Arugula Recipe Details
- Servings: 4
- Prep Time: 15 minutes
- Cook Time: 15 minutes
- Total Time: 15 minutes
Caprese Sandwich with Arugula Ingredients
- 4 (3.5-inch) squares focaccia, sliced in half
- Handful arugula
- 1 (8-ounce) ball fresh mozzarella cheese, sliced
- 2 large tomatoes, sliced
- ⅓ cup roasted cherry tomatoes (optional)
- Pickled red onions (optional)
- Fresh basil leaves
- Extra-virgin olive oil, for drizzling
- Flaky sea salt and freshly ground black pepper
How to Make Caprese Sandwich with Arugula
- Slice the focaccia squares in half horizontally to create sandwich bases.
- Layer a handful of arugula on the bottom half of each focaccia square.
- Add a few slices of fresh mozzarella to cover the arugula evenly.
- Top with slices of ripe tomato and (optional) roasted cherry tomatoes for added sweetness.
- If using, place a few pickled red onion slices for a tangy kick.
- Finish with fresh basil leaves and a generous drizzle of extra-virgin olive oil.
- Sprinkle with flaky sea salt and freshly ground black pepper for seasoning before placing the top half of the focaccia square.
- Serve immediately and enjoy!
How to Customize This Caprese Sandwich with Arugula for Your Diet
- Vegan swap: Replace mozzarella with sliced avocado and spread vegan pesto on the focaccia.
- Gluten-free option: Use gluten-free bread or flatbread instead of focaccia.
- Low-carb alternative: Swap focaccia for lettuce wraps or a low-carb tortilla.
- Extra protein boost: Add grilled chicken, turkey, or a plant-based protein.
- Keto-friendly: Use a keto-friendly bread and add more olive oil for healthy fats.
Our Team’s Tips for the Best Caprese Sandwich with Arugula
- Choose the freshest ingredients: The quality of your tomatoes and mozzarella will make or break this sandwich.
- Warm the focaccia: Lightly toast or warm the bread for a comforting, crispy texture.
- Meal prep: Roast a large batch of cherry tomatoes in advance and store them in the fridge for up to 5 days.
- Storage: Assemble the sandwich just before serving to avoid soggy bread. Store ingredients separately if prepping ahead.
- Pesto upgrade: Add a dollop of basil pesto under the arugula for an extra layer of flavor and nutrients.
Caprese Sandwich with Arugula FAQs
What bread works best for a homemade Caprese sandwich?
We recommend focaccia for its fluffy texture and olive oil richness, but ciabatta or crusty baguette are also great choices for a homemade Caprese sandwich.
Can I make this sandwich ahead of time?
Partially! Keep the fillings and bread separate to prevent sogginess, and assemble right before serving.
What makes this a healthy Caprese sandwich?
This sandwich includes nutrient-dense ingredients like arugula, tomatoes, fresh mozzarella, and olive oil, while offering options for vegan and keto adaptations.
How do I roast cherry tomatoes for the sandwich?
Toss cherry tomatoes with olive oil, salt, and pepper, then roast on a baking sheet at 400°F for 20 minutes until caramelized. Perfect for a Caprese sandwich with roasted tomatoes.
Can this sandwich fit a keto diet?
Yes! Swap focaccia for low-carb bread, add more olive oil, and pack in extra arugula and cheese to keep it keto-friendly.
This Caprese sandwich with arugula is proof that healthy eating can be irresistibly tasty. Which flavor twist will you try—roasted cherry tomatoes, vegan avocado pesto, or something else? Let us know in the comments!

Caprese Sandwich with Arugula
Ingredients
- 4 (3.5-inch) squares focaccia, sliced in half
- Handful arugula
- 1 (8-ounce) ball fresh mozzarella cheese, sliced
- 2 large tomatoes, sliced
- ⅓ cup roasted cherry tomatoes (optional)
- Pickled red onions (optional)
- Fresh basil leaves
- Extra-virgin olive oil, for drizzling
- Flaky sea salt and freshly ground black pepper
Instructions
- Slice the focaccia squares in half horizontally to create sandwich bases.
- Layer a handful of arugula on the bottom half of each focaccia square.
- Add a few slices of fresh mozzarella to cover the arugula evenly.
- Top with slices of ripe tomato and (optional) roasted cherry tomatoes for added sweetness.
- If using, place a few pickled red onion slices for a tangy kick.
- Finish with fresh basil leaves and a generous drizzle of extra-virgin olive oil.
- Sprinkle with flaky sea salt and freshly ground black pepper for seasoning before placing the top half of the focaccia square.
- Serve immediately and enjoy!
