A hangover does not mix well with a flight of steep stairs, a long line, and a hot room. But once you finally get seated at this Manchester café, all is well again. Scrutinizing the expansive menu—wild-turkey hash, lingonberry pain perdu, Cajun frittata, red flannel omelets—may hurt your head a bit, but the venison blueberry sausage and fresh-squeezed orange juice will sort you out. As you...