Cheese has long been a unifying force, keeping sandwiches together and impassively serving as moderator during early presidential debates. Create your own lacteal olive branch with today’s Groupon: for $12, you get a kit for making ricotta and mozzarella cheese at Leeners in Northfield (a $24.95 value).

Leeners' cheese-making kits equip patrons with all the tools necessary to craft almost 7 pounds of mozzarella and ricotta cheese. Packed with a thermometer, a cheese basket, and curdling chemicals, the kits provide dairy daredevils with all the tools to transform a gallon of milk into pizza-ready mozzarella in 60 minutes. Citric acid and calcium chloride jostle lactic proteins into alignment, and animal-free rennet tablets bully the curds from the whey. After a couple turns in the microwave and a failed stint as a personal memoirist, the curds form a cohesive cheesy whole, which can be salted, herbed, and plied into delectable edibles.