"Frederick and Catherine" (also called "Freddy and Katy Lizzy") is a German fairy tale collected by the Brothers Grimm in Grimm's Fairy Tales, number 59.

Frederick and Catherine were husband and wife. He left to do his work. She started to fry a sausage and thought she could get a beer while it cooked. In the cellar, drawing it, she realized the dog was loose and might eat the sausage, but the dog had already done so, and she chased it but could not catch it. Meanwhile, the keg of beer emptied itself into the cellar. To hide this, she used flour she bought at a fair to dry it. Frederick was furious hearing this…