Pre-heat your stok grill while your prepare your ingredients.
To begin the rub. Add the coffee to a small bowl
Add mustard.
Add coriander and salt and pepper.
Stir to mix all ingredients.
Rub oil all over the raw steaks.
Rub 2 Tabs off rub mixture onto each side of the steak.
Place steaks on grill and cook to desired temperature.
