If you’re not into St. Patrick’s Day festivities that require guzzling green, cheap American beer, perhaps you’ll consider sipping a beverage that is actually Irish in origin. Irish coffee is a warm, creamy cocktail invented in Ireland in the 1940s. Unlike many drinks thrown together from excess ingredients, the Irish coffee was created with a purpose. Joe Sheridan was the head chef at the restaurant and coffee shop in the Foynes Airbase Flying boat terminal building in County Limerick, Ireland.  When a group of group of weary American passengers disembarked in Foynes after a long, failed flight, canceled mid-air due to poor weather conditions, Sheridan whipped up the drink and served it to them to keep them warm. Legend has it that after he was asked if it was Brazilian coffee, Sheridan replied that it was Irish coffee. The beverage caught on. In 1945 when transatlantic flights began to land at the nearby Shannon airport, Irish coffee…