Kellogg’s-owned veggie burger brand MorningStar farms to go all-vegan by 2021 By: MarketWatch March 04, 2019 at 06:42 AM EST The makers of plant-based burgers and breakfast sausage is launching a vegan cheese burger. Read More >> Related Stocks: Amazon.com Kellogg Co Target Corp Tyson Foods Wal-Mart Stores, Inc.