Yield: 6-8 servings   Ingredients: Beef Mixture:1 1/2lb (680g) extra-lean ground beef1 cup chopped onions1 large jalapeno pepper, seeded and minced2 tbp minced garlic1 tbsp chili powder2 tsp ground cumin2 cups quartered grape tomatoes1/3 cup ketchup1/4 tsp...