Posta Negra (Colombian-Style Black Beef)

Ingredients

• 3 pounds beef eye round roast 
• 0.5 cup brown sugar grated
• 2 tablespoons butter 
• 1 cup coca-cola 
• 5  garlic cloves 
• 1 large onion 
• 3 tablespoons salsa negra 
• 6 servings salt and pepper 
• 2 tablespoons vegetable oil 

Equipment

• food processor
• pot

Directions

1. Place the onions and garlic in a food processor and puree.
2. Place the beef in a zip lock bag, add the onion mixture, salt and pepper.Be sure the beef is covered with the marinade and refrigerate for at least 3 hours or overnight.In a large pot over medium-high heat, melt the butter and brown the meat on all sides.
3. Add water to cover the beef and cook for 2 hours over medium heat.
4. Add the brown sugar, Coca-Cola, butter and Worcestershire sauce.Cook for about 30 minutes more. To serve slice the beef and pour the sauce on top.