Maple Leaf Foods has revealed plans to build a plant-based protein food processing factory in Shelbyville, Indiana with a $310 million investment. At approximately 230,000 sq ft, the new plant will be the largest facility and investment of its kind in North America, the company said in a press release. Maple Leaf Foods added that the facility would produce plant-based tempeh, franks, sausages and raw foods, including the recently launched …