01 -
Combine olive oil, balsamic vinegar, mustard, honey, garlic, salt, and pepper in a bowl. Stir until blended.
02 -
Cover the steak with the marinade, place it in a bowl, and pop it in the fridge for anywhere from 4 hours to overnight.
03 -
Heat your grill to medium-high and cook the steak for 4-5 minutes per side, or until it’s how you like it.
04 -
Put leftover marinade in a saucepan and simmer until it thickens and gets syrupy.
05 -
To blister tomatoes, cook on the grill for 1-2 minutes on each side. Bocconcini only needs about 20-30 seconds to warm up—be quick!
06 -
Rest the steak for a bit, slice it against the grain, and layer with sauce, warm tomatoes, bocconcini, and your chosen herbs.