Summertime cooking should be easy and fun - no one wants to slave away in front of a hot stove in the middle of a heatwave, or miss an opportunity to enjoy food out-of-doors in the summer sun. From a foolproof recipe for perfectly-textured ice cream to a speedy trick for coring iceberg lettuce, a guide to building an impromptu grill on the beach and more, these ten techniques will help you make the most of the season.