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Grilled Zucchini Caprese Sandwich

  • Author: Tastes Lovely
  • Prep Time: 5 mins
  • Cook Time: 10 mins
  • Total Time: 15 mins
  • Yield: 6 people 1x


  • 4 zucchinis, sliced lengthwise 1/4″ thick
  • 4 tomatoes, slices 1/4″ thick
  • 2 pounds mozzarella cheese (my trader joe’s have 1 pound cheese logs that are pre sliced!)
  • 6 sandwich rolls, cut in half
  • olive oil
  • salt & pepper
  • 1/2 cup mayonnaise
  • 1/2 cup pesto


  1. In a small mixing bowl, make the pesto mayonnaise by combining the mayonnaise and pesto. Stir to combine, cover with saran wrap, and keep in the fridge until ready to use. Will keep for 1 week.
  2. Preheat your grill (or indoor grill pan) over medium heat. Drizzle the cut side of the sliced bread with olive oil, and grill cut side down for about 2 minutes, until they are lightly toasted with grill marks. Remove from heat and set on a plate.
  3. In a medium size mixing bowl, toss the sliced zucchini with 2 tablespoons olive oil until they are evenly coated. Sprinkle with salt and pepper. Cook the zucchini 1-2 minutes per side, until just crisp tender. Remove from heat and set on a plate.
  4. Assemble the sandwiches by spreading the pesto mayo on both sides of the bread, then topping with 3-4 slices of zucchini, 3-4 tomatoes and 3-4 slices of mozzarella.


These sandwiches are great as a melt too! If you want to make this into a melt sandwich, turn your broiler on high and melt the mozzarella cheese onto the dry top half of the sandwich bread for 2-3 minutes. Assemble the rest of the sandwich per directions.
If I’m serving these with fries, I’ll double the pesto mayo and serve extra on the side as a dipping sauce for the potato wedges