Key limes: Fruit, about the size of golf balls, and round. The fruits are pale yellow green, the juice is yellow and very tart, more so than standard limes. Grow in Florida, the Keys and other tropical places in the Caribbean. Used in Key Lime Pie, with egg yolks and condensed milk and in a Sunset Key with amaretto.

Kirschwasser: Liquor made from cherry juice.

Knead: To work dough with a pressing motion, accompanied by folding and stretching.

Kosher salt: A coarse crystal salt used in cooking. 

Kuchen: German for cake.

Kümmel: Liquor flavored with cumin and caraway seed.