**w that it's finally Spring and the weather is warming up (in most places), it's time to start thinking about one of the best sun-filled activities: picnics. The most ideal treats to take to Picnics are bar Cookies because they travel well, they're perfectly portioned, and they're just a little more fun than regular cookies. From double-lemon bars to Reese's Peanut Butter Cup blondies and more, these are 21 recipes we highly recommend trying out this season.