In the book "Camp Cocktails," author and co-founder of the Minnesota-based Vikre Distillery, Emily Vikre, has created a collection of fun and easy-to-make cocktails perfectly suited for the great outdoors. The Marshmallow Mule, a drink that mixes vodka and soda with a rich toasted marshmallow and ginger syrup, originally debuted at a vodka release party at Vikre’s distillery. For the event, Vikre focused on classic vodka cocktails with artisanal twists. Using the Moscow Mule, a vodka and…