sentence: cut up the sweet potatoes sentence: add olive oil to the pan sentence: add onions black beans water sugar soy sauce worcestershire sauce chili powder cumin mustard ketchup and garlic to the pan sentence: add salt and pepper sentence: cook the beans on the stove sentence: spread mashed sweet potato in the center of the tortilla sentence: add a scoop of the bean mixture on top of the sweet potato sentence: tuck in the ends of the tortilla and then roll up sentence: place the burrito in a pan and cook in the oven