of a Flank Steak, cut into 2 pieces (across the grain) • ground coffee (I used Starbucks Anniversary Blend) (the grind is up to you, I went a little coarser) • chili powder (I used ancho, but whatever you like will be fine) • brown sugar (light or dark will be fine) • vegetable or canola oil (half of an average shot-glass) • The following herbs and spices are left up to you, to your tastes: • cayenne, curry powder (SMALL AMOUNT), ground coriander, ground ginger, oregano, smoked paprika, salt and pepper, ground mustard • ground cumin (extra points if you toast the mustard, coriander and cumin seeds, THEN grind them), small pinch of cocoa powder • for the sauce: bunch of cilantro leaves, grated garlic and ginger, cayenne, olive oil, white wine vinegar, juice of 1/2 a lime