Stains are a natural byproduct of FUN cooking. Unfortunately, there comes a time when we have to clean up the mess. This is usually what your spouse is for, but just in case, here are some helpful tips. Wash your hands with toothpaste gets rid odors. Keep recipe clippings handy and free from stains by storing them in small photo albums.
Egg shells are also useful in cleaning glass bottles.
Break the shells into pieces, drop them into the bottle with a few drops of detergent and a bit of water, shake vigorously, then rinse with water. Cleaning up the excess gravy or sauce in pots or pans results in an interesting dilemma. You can always rinse or soak the gravy away in your sink, but think about the waste. Think about the starving people in this world. Think about how good that gravy tastes.