Ask me to name only three fantastic things about summer and I’d have to pick long days, fun getaways and cold foods. Right now I’m hooked on a chilled sweet that I first tried on a sunny, summer holiday in Italy almost a decade ago. Nope, it’s not icy granita, although, on a sultry afternoon, those sugary shards of ice are quite a treat. Instead, semifreddos are what have captured my heart and my spoon. Italian for “half cold,” semifreddo refers to any chilled or partially frozen dessert. This includes gelato as well as cakes, tarts and custards. More often than not, I see semifreddo in the form of semi-soft ice cream. As someone who prefers her ice cream a tad mushy and melting, who leaves half-gallons of Breyers and Ben & Jerry’s on the kitchen counter until the contents turn soupy, I am smitten with these semifreddos. If Spanish cuisine is more to your likening, take heart. In Spain this same sweet dish is known as “semifrio.” No matter what you call it, you’re …