Ingredients

• 12 ounces beer (not lite beer)
• 1 cup canola oil
• 1 small white onion, sliced
• 1/4 cup fresh lime juice
• 4 large garlic cloves, crushed
• 2 tablespoons Worcestershire sauce
• 1 tablespoon chili powder
• 1 teaspoon ground cumin
• 3 dried chiles de arbol, seeds & stems removed, crushed
• 1 teaspoon freshly ground black pepper

Directions

1. Combine all ingredients and mix well.
2. Pour marinade over meat in shallow glass, plastic or other non-reactive container (a 1-gallon plastic zip-top bag works well).
3. Refrigerate overnight or up to 24 hours.
4. Makes enough to marinate 3 pounds flank steak (6 generous servings).