½ cup shredded cheese, such as Cheddar or pepper Jack
4 medium sweet potatoes
¼ cup water
1 14-ounce can diced tomatoes
1 tsp. ground coriander
2 tsp. dried oregano
1 tbsp. ground cumin
2 tbsp. chili powder
4 cloves garlic, chopped
½ cup finely chopped red bell pepper
¾ cup finely chopped white onion
1 pound lean ground beef