To clean burnt and scorched pans, sprinkle liberally with baking soda, adding just enough water to moisten. Let stand for several hours. You can generally lift the burned portions right out of the pans.
On non-stick cookware, stubborn stains can be removed by boiling 2 tablespoons of baking soda, 1/2 cup vinegar, and 1 cup of water for ten minutes. Before using, season pan with salad oil.
For copper pots, fill a spray bottle with vinegar and add 3 tablespoons of salt. Then spray the solution on copper pot. Let stand, then rub clean.
Or dip lemon halves in salt and rub.
To rid cutting board of following smells: onion, fish smell, or garlic; cut a lime or lemon in two and rub the surface with the cut side of the fruit.
Or make a paste of baking soda and water and apply generously, then rinse.