Best Steak Sandwich

Recipe Link


  • Olive oil
  • fillet of beef (can substitute eye of round roast, sirloin tip roast)
    • I used 2 medium fillets for 4 sandwiches
  • 1 whole head of garlic
  • handful thyme sprigs
  • 1-1.5 T Butter
  • sandwich lettuce
  • 1 red onion
  • 2 red chillies (depends on heat preference)
  • 1 container red cherry or grape tomatoes
  • 1 container yellow cherry tomatoes
  • 1 T sherry or red wine vinegar
  • Small handful of shredded basil leaves
  • 3 T mayonnaise
  • 3 t wholegrain mustard
  • ciabatta


  1. Preheat oven to 400 degrees
  2. Chop chilis and onion, set aside
  3. Chop tomatoes in half
  4. Heat a large ovenproof frying pan until hot
  5. Season the fillet generously with S/P
  6. Add oil to the pan until hot
  7. Sear the filet on all sides, about 1 minute each (including the ends)
  8. Chop a head of garlic horizontally, cutting all the garlic cloves in half
  9. Place garlic, cut-side down, and thyme in the pan while the last fillet side sears
  10. Place garlic halves in the middle of the pan, next to each other. Use the thyme to create a bridge/bed between them. Place meat on the bed of thyme
  11. Add the butter and baste the steak a few times
  12. Put in the oven until a meat thermometer reads 120, about 10-12 min (this is rare, will continue to cook until 125/medium rare). Can also quickly baste a time or two while cooking. (See step 19)
  13. Meanwhile, heat 2 T oil in a pan
  14. Add the onions and chilis until softened, about 5 min
  15. Add tomatoes and S/P
  16. When the tomatoes wilt, crush them with a wooden spoon and add the vinegar
  17. Continue to cook until thickened to a relish consistency, then remove from heat and add basil
  18. Combine mustard and mayo in a separate bowl
  19. Allow the meat to rest for at least 10 min, basting with the remaining flavored oil/butter
  20. Slice the rested fillet
    1. The big pieces were somewhat difficult to eat, so I cut the rest to bite-size
  21. Spread mayo on both pieces of ciabatta, put lettuce leaves on both sides, top one side with steak/relish and then put it all together.

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