Sand Art Brownies October 25, 2016 by Cynthia Ewer Looking for a classic "gift in a jar" for holiday gifts? Sand Art Brownies are easy to make gift in a jar and oh, so pretty! Layered cocoa, brown sugar, chocolate chips and pecans make this Mason jar recipe extra-special. Welcome a neighbor, thank a teacher or give a homemade Christmas gift with this layered cookie-in-a-jar recipe. Our recipe includes free printable gift tags to make assembling your Sand Art Brownies a breeze!