Wipe the inside of your fridge with a mixture of 2 tablespoons of baking soda and 1 quart hot water. Work from top to bottom to prevent dripping onto surfaces that are already clean. Pay special attention to the bottom crevices and back of the refrigerator where spills tend to migrate. Rinse it with a damp cloth and dry with a clean towel. Do not use soap, detergent or any abrasive cleaners (think ammonia or bleach) on the inside of the fridge since it can leave behind a fragrance that can be absorbed by food. For caked-on residue, let the baking soda solution soak for 10 minutes or until it starts to crack or soften then rinse with a damp cloth and dry with a clean towel.