1. Heat the oil in a large heavy pot over medium-high heat. Add the meat to the pot. Break up any lumps with a fork and cook, stirring occasionally, until the meat is evenly browned.~ 2. Stir in the garlic, ground chile, cumin, cayenne pepper, oregano, salt, tequila, water, and corn flour(masa harina). Bring to a boil, then lower the heat and simmer, uncovered, for about 1 1/2 hours.~ 3. Taste and adjust seasonings. If desired, add the crushed chile pepper and the optional hot pepper sauce and simmer, uncovered, for 1/2 hour longer.~