I love how the cauldron is the only thing you point out about that whole scenario ? not oh you know, the BLOODY BODY or DIRTY CAT SHAVING DOG WHISPERING TRUCK DRIVER.. Oh no. The cauldron. The main piece that ties it together. Guess that's why it's so important.
He uses a cauldron because he can't afford real pots and pans. It's a hand-me-down from his witch siblings ????