The great British summer is finally here (ish). And with it comes one of our great traditions – the picnic. The best part of picnics? Definitely not the sandwiches, or the sausage rolls, or even the booze (I know, shocker). It's the dessert. From Pimms ice lollies to trifle pots, here are some easy, simple ideas and recipes to add something really special to your summer picnic.