Southwestern Spice Rub
1 tsp ground cumin
1 tsp chili powder
2 tsp salt
1 tsp freshly ground black pepper
1 1/2 tsp light or dark brown sugar
1/2 tsp cayenne pepper
2 tsp minced garlic
1 tsp minced shallots or green onions
Combine all ingredients and rub over beef. Let steak marinate, refrigerated overnight, or at room temperature for 2 hours.