When it comes to choosing a wine, it can often seem like a daunting task. To make it easier, try asking the sommelier what he or she would drink. Don't use the word "dry." It's not helpful, since most wine is dry.
The addition of cinnamon adds a kick of “something special” to this rich chocolate sheet cake, but if you prefer, you can reduce the amount or leave the cinnamon out all together; you'll simply have a delightful, classic chocolate cake on your hands.