First, the chefs added meat or seafood to hot olive oil.

In Europe, sausage-maker Rügenwalder Mühle added meat-substitute dishes in 2014 as German meat sales declined.

ConAgra bought Boomchickapop popcorn owner Angie's Artisan Treats last month and Hershey added meat-based protein bars after it acquired Krave Foods in 2015.

In May, Maple Leaf put its pork processing business up for sale as part of efforts to refocus on value- added meat, meals and bakery business.