Mexican Frijoles Charros 1 to 2 onions, minced 2 tablespoons lard 3 cup cooked pinto beans 6 slice bacon, minced 1 slice ham, diced (optional) 1/2 cup chorizo or hot italian sausage 1 can tomatoes, drained and chopped 16 ounce 6 serrano chiles, minced, or to taste 1 tablespoons comino (cumin) salt to taste Add onions and lard to pinto beans and cook over medium heat 5 minutes, stirring occasionally. in another skillet, fry bacon, ham and chorizo. Add to beans with tomatoes, chiles and spices. Heat thoroughly.