The quest: You want to brew a decent pot of coffee, but it’s the mid-1800s and you just emigrated to a brand new state in the Midwest. There are no percolators or even drip coffee pots available, let alone specialty ground coffee that tastes good no matter how you brew it. So what do you do? Scandinavian immigrants settling in the Midwest figured out the perfect solution: egg coffee, as in coffee brewed with an egg, shells and all. And their ancestors have kept the tradition alive, particularly in Minnesota….