An absolute must with a million and a half uses. But do not buy just any plastic wrap. Go to a restaurant supply store and buy a large roll of restaurant plastic wrap. It sticks much better than the common grocery store plastic wrap and is much cheaper per foot.

By law manufacturers must disclose the energy efficiency of their appliances, rated A to G. These are usually displayed prominently in showrooms. The better the rating, the more energy efficient the appliance is - good for both the environment and your pocket.

Modern appliances reach higher temperatures quicker - and often hold heat longer. To avoid worktop damage, follow both the appliance manufacturers instructions and these rules:

• Always use the correct size of pan for the burner, placed centrally. An overhanging pan can scorch surrounding surfaces. Don't use two burners as one (e.g. for a large griddle) - it has the same effect.
• To reduce heat, turn the burner down instead of pulling the utensil partially off the heat source.