Tex-Mex BBQ Brisket

Name: Tex-Mex BBQ Brisket
Prep time: 30 min
Cook time: 5 h 30 min
Total time: 5 h 30 min
Yield: 10 portions
Ingredients: 3 dried ancho chilies; 2 dried chipotle chilies; 1 oz black peppercorns; ½ oz brown sugar; 1 tbsp onion powder; 2 tsp mustard powder; 2 tsp dried oregano; 1 ½ tsp garlic powder; 1 tsp salt; 1 tsp ground cayenne pepper; 64 - 80 oz beef brisket; 16 oz smoked bacon; 6 oz fresh Roma tomatoes; 4 oz white onions; 3 ½ oz brown sugar; 3 canned chipotle chilies; 2 garlic cloves; 2 oz apple cider vinegar; 1 oz Worcestershire sauce; 1 oz molasses; 1 heaping tbsp Dijon mustard; ¾ tsp salt