Tamales with sweet potato, roasted red pepper and cheddar cheese

Masa (water, corn flour masa {corn treated with lime}, expeller pressed canola oil, sea salt, baking powder {monocalcium phosphate, sodium bicarbonate, corn starch {made from identity preserved non-genetically modified corn}), filling (beef chuck roll, sweet potatoes, ground beef, water, roasted red bell peppers, cheddar cheese {grade a pasteurized milk, salt, annatto color, enzymes and cultures}, tomato puree {vine-ripened fresh tomatoes and salt}, tomatoes diced in juice {fresh vine-ripened california tomatoes, calcium chloride, citric acid}, onions, cornstarch, cilantro, expeller pressed canola oil, serrano chiles, beef base {roasted beef and concentrate beef stock, yeast extract, salt, dried onion and garlic}, jalapeno peppers, garlic, sea salt, chili powder, new mexico chile, pasilla chile, spice, black pepper, garlic powder).