It was a question she had not anticipated. The knives next to the cutting board had been placed there out of personal habit. Luna usually prepared food without magic, there was just something pleasant about using her hands. However, if she was in a pinch for time she had no qualms with employing her want to make quicker work of things.
"You should use whatever you're more comfortable with," she replied, "However you're likely to do it in the future. If want to use a knife, there's one just to the right of the cutting board."
Luna suspected this would mean his wand, and really, that was probably for the best. She hoped that might make the task appear less daunting.
"So, are you planning a dinner for anything special?" she inquired.