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Italian Caprese Steak Sandwich

Author: Juli


  • 2 spring onions
  • 2 cloves of garlic
  • 2 handful of fresh basil frozen basil works fine, too
  • juice of 1/2 lemon
  • 1/3 cup red vine vinegar
  • 1 T sriracha
  • 1 T olive oil
  • 1 tsp salt
  • 1 tsp pepper
  • 1 pound beef
  • 2 slices of buffalo mozzarella
  • 2 slices of tomato I used coeur de boeuf
  • balsamic vinegar and crema di balsamico
  • salt pepper and olive oil to season
  • rocket and basil leafs to garnish


  • Give all the ingredients for the marinade in a food processor and mix until a smooth consistency is reached - you can also use a hand-held blender
  • Give the marinade into a freezer bag and add the beef - let marinade for 1-4 hours
  • Grill the beef for about 30 - 45 min depending on the size and your desired degree of doneness
  • Cut the meat and let cool slightly
  • In the meantime prepare the caprese - layer tomato and mozzarella slices and season with the two balsamic vinegars, a little olive oil, salt and pepper
  • Now pile up your sandwich starting with bread, rocket, beef slices, caprese salad, basil leaves, bread


If you want to make the sandwich ahead for lunch make sure to dry the mozzarella a bit. I use kitchen paper and squeeze the mozzarella as a whole. If you don't do this the bread could become quite soggy
I prefer to use ciabatta or any white bread with caprese - it provides the Italian feeling