Place the lamb steaks under a preheated grill for 4-5 minutes each side for medium-well done, or according to taste.
Meanwhile, dry fry the almonds and pine nuts until golden, and mix in with the tomatoes, onion, mint, parshley, oil and vinegar, then season.
Toast the flat buns under the grill for 1-2 minutes to warm. Slice the lamb steaks into bite size pieces and fill the buns,spooning over some of the mint and nut salsa. Serve with remaining salsa and salad.