Source: dLife

Grilled flank steak marinated with paprika, chili powder, cumin, and cinnamon.

Servings

2 tbsp paprika
1 tbsp chili powder
2 tsp ground cumin
1 tsp ground cinnamon
0.5 tsp salt
1.5 lb Beef, flank steak, london broil, lean, raw, choice, 0" trim
1 cooking spray

1 Mix together the paprika, chili powder, cumin, cinnamon, and salt in a bowl. Put the steak in the bowl and coat both sides with the mixture. Refrigerate, covered, for 4 hours.
2 Light the grill and spray rack with the cooking spray.
3 Grill, covered, for 4 minutes. Then, turn over and grill for another 4 minutes.
4 Transfer onto a cutting board and let sit for 5 minutes. Slice diagonally into thin pieces.

For best results, let marinate overnight.