Country Music Hall of Famer Dolly Parton has a new line of breakfast products. What Happened: The “Jolene” singer made the announcement Tuesday, on The Today Show. The line, part of a partnership with Duncan Hines and its parent company, American food conglomerate Conagra Brands Inc (NYSE: CAG), will include a variety of mixes: buttermilk, blueberry muffin, chocolate cake and more. Parton and Duncan Hines first teamed up in 2022 to release her line of baking mixes, and are now looking to challenge morning staples like General Mills’ (NYSE: GIS) Bisquick and Pepsi Co’s (NYSE: PEP) Pearl Milling…