Grapefruit Beer Cooler, Frankfurt Published 2015/03/27 at 648 × 1000 in Food on Fridays: Musical Cheese in Frankfurt Grapefruit Beer Cooler, Frankfurt Always game to try something new – and because I was already willing to order the Äppler — Chris ordered a grapefruit beer cooler. The waiter was skeptical of this order, too, but oddly enough, it wasn’t all that bad.