In Germany, what sweet Christmas treat often shaped like stars is made with almonds, cinnamon, and egg whites?

Zimtsterne

Which developer famously created the Metal Gear Solid franchise? Which treaty ended the Crimean War in 1856? What cause is important to Buddy and his family towards the end of 'Elf'? Which country is the largest coffee producer worldwide? Who first used the letter 'i' to denote the imaginary unit?