Ingredients

* 2 cloves garlic minced
* 1/4 cup white vinegar
* 2 tablespoons canola oil
* 2 teaspoons ground ancho chile pepper
* 1 teaspoon dried oregano
* 1 teaspoon ground cumin
* 1/4 teaspoon salt
* 1-1/4 pound flank steak trimmed of fat

Directions

1. Whisk garlic, vinegar, oil, ground chile, oregano, cumin and salt in a small bowl.
2. Place steak in a shallow baking dish and pour marinade over it turning to coat both sides.
3. Cover and refrigerate for at least 1 hour turning once.
4. Preheat grill to high heat then oil grill rack and grill steak 6 minutes per side.
5. Transfer to a plate then cover with foil and let rest for 5 minutes.
6. Slice the steak very thinly across the grain.
7. Serve warm or chilled.