Kahlúa - A coffee-flavored liqeuer made in Mexico.
Recipe: Kahlua Bowl Cake

Kalamata Olives - A dark purple, fruity Greek olive.

Kamut - A high protein wheat variety. Kamut has a higher nutritional value than present-day wheat, but it hard to find, used mainly in pastas, puffed cereal, and crackers. It may be found in health food stores.

Ketchup - A thick and spicy tomato sauce, ketchup is also known as catsup. It may be used as a condiment or an ingredient.
Recipe: Tomato Ketchup

Key Lime Pie - A pie, similar to lemon meringue, made with the tart, yellowish Key limes from Florida.

Kielbasa - Also known as kielbasy, kielbasi, or Polish sausage. Kielbasa is a seasoned, smoked sausage usually made from pork. It is usually sold precooked.
Recipe: Kielbasa Recipe With Hash Browns

Knead - A technique used to mix and work dough, usually using the hands. Dough is pressed with the heels of the hands, while stretching it out, then folded over itself

Kosher - Food prepared according to Jewish dietary laws.

Kudzu or Kuzu - A Japanese thickener made from the root of the kudzu vine. It produces a light, transparent sauce, and is usually mixed with water before adding to a mixture.

Kumquat - A fruit which looks like a tiny orange. The rind is sweet and the flesh is tart. The fruit can be eaten rind and all, but it's most often found pickled, candied, in preserves or marmalade.
Recipe: Glazed Venison Pate