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Grilled Heirloom Tomato and Mozzarella Sandwiches with Green Heirloom Tomato Gazpacho

This sophisticated vegetarian dish offers a delightful contrast between a warm, toasted sandwich and a chilled, vibrant soup. This recipe for grilled heirloom tomato and mozzarella sandwiches with green heirloom tomato gazpacho uses seasonal heritage varieties to create a lunch that is as beautiful as it is flavourful. The green tomato gazpacho is enriched with buttery Marcona almonds, providing a nutty depth that balances the sharp acidity of the vinegar and the fresh crunch of cucumber.

Perfect for a summer garden lunch or an elegant weekend brunch, these sandwiches feature golden, buttery brioche and rich smoked mozzarella. The smokiness of the cheese pairs wonderfully with the sweet, juicy tomato slices. Serving the sandwiches alongside small bowls of the refreshing soup creates a complete and balanced meal that showcases the very best of seasonal produce. For the best result, prepare the gazpacho well in advance to allow the flavours to develop.

Continue reading below

Ingredients for Grilled Heirloom Tomato and Mozzarella Sandwiches with Green Heirloom Tomato Gazpacho

  • 450g ripe green heirloom tomatoes, cored, cut into large chunks

  • 1 6-inch piece unpeeled English hothouse cucumber, diced

  • 50g chopped onion

  • 50g chopped celery

  • 70g salted roasted Marcona almonds

  • 2 tablespoons extra-virgin olive oil

  • 2 large garlic cloves, peeled

  • 1 tablespoon Champagne vinegar or other white wine vinegar

  • 1 teaspoon (or more) coarse kosher salt

  • 8 1/3-inch-thick slices brioche or challah, trimmed to 5x3 inches

  • 1 230g package smoked mozzarella cheese, cut into 1-inch-wide by 1/8-inch-thick slices

  • 2 large heirloom tomatoes (preferably Brandywine), cut into 1/4-inch slices

  • 60g (1/2 stick) butter

How to make Grilled Heirloom Tomato and Mozzarella Sandwiches with Green Heirloom Tomato Gazpacho

Combine first 8 ingredients and 1 teaspoon coarse salt in processor. Blend to almost smooth puree (some texture should remain). Season with pepper and more salt, if desired. Transfer to medium bowl. Cover; chill at least 3 hours and up to 1 day.

Cut each bread slice into rectangle (about 4 1/2 x 2 1/2 inches). Arrange 4 bread rectangles on work surface. Top bread with half of cheese slices (trimming to fit) and 2 tomato slices. Sprinkle tomatoes with salt and pepper. Top with remaining cheese, then remaining bread; press to compact.

Melt butter in large skillet over medium heat. Add sandwiches. Cover and cook until bread is golden, turning once, about 3 minutes per side. Transfer sandwiches to paper towels. Cut each sandwich in half.

Divide gazpacho among 4 bowls; place on plates. Arrange sandwiches alongside.

Disclaimer

While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.

Article history

The information on this page is peer reviewed by qualified clinicians.

  • 16 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
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