It’s a heroic feat to eat anything after taking down one of Lunchbox Laboratory’s monstrous burgers. But if you can manage to squeeze in a milkshake, we promise you won’t regret it. Lunchbox makes a luscious shake, with real milk and ice cream, served in a lab-themed glass beaker, and the flavors go above and beyond plain old chocolate, vanilla, and strawberry: candy-studded Whopper Malted Milk Balls, Almond Joy, silky-smooth Boston Creme Donut, and Banana Creme Pie, to name just a few. For $3.50, you can spike any shake with vodka, rum, or a number of other liquors. Or go straight for a customized Boozie Shake, the best of which is the Caramel Macchiato, an icy blend of chocolate, caramel, coffee, Bailey’s, Kahlua, and caramel vodka—three tipsy shots more fun than Starbucks’ drink of the same name. ERIN K. THOMPSON 1253 Thomas St., 621-1090, lunchboxlaboratory.com