Grab a large bowl and add lamb mince, egg, man grind and Dukkah crumb. Mix until well combined.
Split the lamb mince in half then using your palms create 2 patties.
Place a pan over a medium heat with a drizzle of olive oil and add the lamb patties. Cook until nicely browned.
Grab a small bowl and add Greek yoghurt and tzatziki. Stir until well combined then set aside.
Prepare the red onion, lettuce and tomato then set aside.
Slice the brioche buns in half and spread over a thin layer of butter. Place a pan over a medium heat and add the brioche buns butter side down into the pan. Cook until golden brown.
To build your burger grab the bottom of the brioche bun and add a dollop of creamy tzatziki.
Top with the lamb pattie, onion tomato and lettuce.
Put another dollop of creamy tzatziki on the top bun, chuck on top and enjoy!