Krispy Kreme Doughnuts introduces line of heart-shaped doughnuts just in time for Valentine’s Day   WINSTON-SALEM, N.C., 2017-Jan-31 — /EPR Retail News/ — Krispy Kreme Doughnuts today ( January 30, 2017) announced a line of heart-shaped doughnuts just in time for Valentine’s Day. The Red Happy Heart Doughnut, Pink Happy Heart Doughnut, and the Sprinkled Heart Doughnut are…