 Some shoppers are replacing branded goods with cheaper private label versions, while others are simply making do with less. Shares of General Mills down close to 5%. You won't likely see a plant-based burger at McDonald's anytime soon. The chain's U.S. chief says they test-marketed the McPlant Burger in San Francisco and Dallas, but was not successful in either market. Instead, McDonald's plans to lean in on chicken as consumers shift away from beef.