In a food processor mix garlic, green pepper, oregano and a tablespoon of olive oil( more if needed), mix into a paste and put aside. In a large bowl add ground beef the two envelopes of Goya culantro with achiote seasoning, 2 tablespoons of the pepper and garlic paste(refrigerate leftover paste and use as a marinate for meats or chicken) and salt and black pepper to taste, mix well and chill in refrigerator for At least 1 hour. Preheat a 12 inch cast iron or regular frying pan and start making oval shaped beef patties to match the shape of the portuguese bread, cook until desired doneness. Slice onion, tomato and avocado and put on the side. Slice rolls and spread mayonnaise on then, place meat, tomatoes, cabbage, onions and avocado, drizzle mustard and ketchup to taste, enjoy.