Ingredients
Scale
- 1 kg of sirloin or eye round beef (2.2 lb)
- 20 g of garlic, crushed (4 cloves)
- 100 g of white onion, finely chopped (1 small onion)
- 60 ml of white vinegar (4 tablespoons)
- 30 ml of Worcestershire sauce (2 tablespoons)
- 5 g of ground cumin (1 teaspoon)
- Salt, to taste
- Black pepper, to taste
- 50 g of melted butter or margarine, for basting (3 tablespoons)
- 5 g of achiote paste, to color the basting butter (1 teaspoon) (optional)
- 12 to 15 wooden skewers
- Water for soaking the skewers
- Tortillas and cabbage salad, for serving (optional)