This Caprese Sandwich feature lovely blistered cherry tomatoes and is served with fresh mozzarella, basil, shallots and mustard mayo, all on a beautiful grilled baguette. You can do the whole thing on your BBQ!

Blistered Tomato Caprese Sandwich

I need to start out my description of this Caprese sandwich by saying … it’s really, really delicious and you should make it :) Ok, beyond that, this sandwich has lovely cherry tomatoes, cooked up in a skillet over high heat until they blister. It’s then mixed with shallots and garlic in a bit of red wine vinegar, then served on beautiful grilled bread with a mustard mayo and lots of fresh basil. It’s Caprese salad on bread and it’s seriously delicious.

Ingredients and Substitutions

Baguette – Use a really great baguette, the best you can find. It really does make a difference.

Cherry Tomatoes – or grape tomatoes. Any small tomato will work here.

Fresh Mozzarella – this is the mozzarella that is usually sold in containers, with liquid. If you can’t find it, large bocconcini is a good substitute.

Recipe Tips

  • Be sure to season each element with salt and pepper as you go along to really bring out the flavours.
  • To prevent the torn basil leaves from turning black, be sure to allow the tomatoes to cool slightly before adding the basil.

How to Serve Caprese Sandwiches

You can serve this sandwich as a regular sandwich, which is not as messy to eat as you may think or you can serve this open-faced to be eaten with a knife and fork. I loved the heartiness of the regular sandwich and the way the juices from the tomatoes and other flavours migrated in to the bread from being sandwiched together. For entertaining though, open-faced is probably the way to go.

Top Tip

You can make this whole sandwich on the BBQ. Use it for grilling the bread, then pop your cast iron skillet right on the BBQ to blister the tomatoes (you can also do this on the stove-top, of course). The addition of red wine vinegar to the shallots and then quickly tossed with the hot tomatoes, make for really rich and delicious flavour combination. That might have been my favourite part of this sandwich – that and the way all the flavours migrated in to the bread a bit.

Blistered Tomato Caprese Sandwich

blistered tomato caprese sandwiches on white background

Get the Recipe: Caprese Sandwich

An easy and delicious Caprese sandwich, made with cherry tomatoes, basil and fresh mozzarella and serve on grilled bread.
5 stars from 2 ratings
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Prep Time: 15 minutes
Cook Time: 15 minutes
Total Time: 30 minutes
Yield: 4 servings

Ingredients

For the Mustard Mayo:

  • 1/2 cup mayonnaise
  • 2 teaspoons Dijon mustard
  • 1 teaspoon fresh lemon juice
  • Salt and freshly ground pepper

For the Shallots:

  • 1 large shallot, thinly slices (you could sub thinly sliced red onion here)
  • 2 cloves garlic, finely chopped
  • 3 Tablespoons red wine vinegar
  • Salt and freshly ground pepper

For the sandwich:

  • 1 baguette, cut in half lengthwise (or 1/2 baguette, cut in half lengthwise for open-faced sandwiches)
  • 3 Tablespoons extra virgin olive oil, DIVIDED
  • 3 cups cherry tomatoes
  • Salt and freshly ground pepper
  • 1 cup torn basil leaves
  • 4 oz fresh mozzarella, torn or cut into pieces
  • Crushed red pepper flakes

Instructions
 

  • Prepare the mustard mayo by combining all the ingredients and stirring until well combined and smooth. Set aside.
  • Place the shallots and garlic in a small bowl and add red wine vinegar. Stir to moisten then set aside.
  • Cut baguette in half lengthwise and brush the cut side with olive oil. Grill over medium-high heat until golden and lightly charred. Season with salt and pepper. Set aside.
  • Place cast-iron skillet on BBQ grill or on stove-top over medium-high heat. Add 2 Tbsp. olive oil, then add tomatoes and cook, shaking the pan often to rotate the tomatoes, until they are blistered and lightly charred, about 4-5 minutes. Add tomatoes to a large bowl, then pour reserved shallot/vinegar mixture over-top. Stir to combine, then set aside to cool a bit.
  • If making a standard sandwich, spread mayo on one piece of the grilled bread. On the other piece of bread, place cut or torn fresh mozzarella. Sprinkle with salt, pepper and a pinch of crushed red pepper flakes. Add torn basil to slightly cooled tomatoes, season with salt, pepper and a pinch of crushed red pepper flakes and stir gently to combine. Using a slotted spoon (to leave the liquid in the bowl behind), spoon tomatoes with shallots over mozzarella. Top with other piece of grilled bread, then cut in to smaller serving pieces.
  • For open-faced sandwiches, prepare as above, but spread mayo on both pieces of bread and top each with mozzarella and tomatoes.
Cuisine: American, Canadian
Course: Sandwich
Author: Jennifer Maloney
Serving: 1serving, Calories: 570kcal, Carbohydrates: 37g, Protein: 13g, Fat: 40g, Saturated Fat: 9g, Cholesterol: 34mg, Sodium: 780mg, Potassium: 351mg, Fiber: 2g, Sugar: 4g, Vitamin A: 1075IU, Vitamin C: 27.5mg, Calcium: 218mg, Iron: 3.1mg
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