Well, I figured out the knives. The oven- had parts attached to it that we couldn't recognise. It seemed like a bad idea for Sypha to start a fire in it.

[ He grabs one of Alucard's carrots, shoving it into his mouth. ]

We just cooked the way we do on the road. Found a nice flat stone, scrubbed it clean and then had Sypha heat it up. Works better than you'd think.