McDonald’s unveiled its latest global growth plan at its Worldwide Convention for franchisees. A new restaurant design, better-tasting food and drinks, consumer-led innovation and improved customer service are the four cornerstones of the new plan. The growth plan comes as the restaurants compete for a smaller pool of customers amid high gas prices and years of elevated inflation. McDonald’s on Monday unveiled its latest global growth strategy to help the fast-food giant become customers’ first choice as it faces new rivals and consumer spending stretched by high gas prices.