St. Patrick’s Day fast food deals are bigger than ever. From free Krispy Kreme doughnuts to mint shakes, here’s why chains keep going all-in on the holiday

Krispy Kreme launched four new flavors for St. Patrick's Day. Here's how to get a free glazed by wearing green and how to win free doughnuts for a year/

Krispy Kreme on Monday launched an all-new doughnut collection inspired by St. Patrick's Day. Here's a look at the new flavors.