Core Insights - The return of McDonald's Snack Wrap has led to unexpected high demand, resulting in a temporary depletion of lettuce supplies [1][5][8] - The company issued a directive to franchisees to conserve shredded lettuce for McChicken sandwiches due to supply shortages [2][5] - McDonald's acknowledged that the surge in demand was beyond their initial projections, despite following typical supply forecasting processes [5][11] Supply Chain Management - The lettuce supply shortage was resolved and remains stable as of the latest update [8] - Other ingredient shortages have also been temporary, with frequent restocking occurring [8] Customer Engagement - The decision to bring back the Snack Wrap was influenced by strong customer demand, including social media buzz and petitions [11] - McDonald's U.S. President had previously indicated plans to relaunch the Snack Wrap due to its "cult following" [9][11]