For me, the professional kitchen is an environment made for black and white photography. The combination of metal and crisp white uniform comes alive when you remove the distraction of colour - you can then just focus on the details.
Here the chef is preparing a sabayon - a laborious process of furious whisking. It's all about technique, keeping your elbow in the right position.
This was taken with a favourite lens - Nikkor 80mm, a digital conversion using the b&w adjustment layer in Photoshop with custom settings.