In a 4-quart Dutch oven cook pork, onion, green pepper and garlic in hot oil until pork is browned.
Stir in flour, mixing well. Add the remaining ingredients, except cheese and tortillas.
Simmer uncovered, one hour. Top each serving with some of the cheese.
Serve with tortillas, if desired.
Nutrition Information per Three-Ounce Serving:
323 calories, 30 grams protein, 14 grams fat, 71 mg cholesterol, 896 mg sodium.