Whiter cauliflower. Add a teaspoon or so of white vinegar to your cooking water while cooking cauliflower. It will retain a whiter color.
Stretch ketchup. Only have a little ketchup left in the bottle? Add a bit of vinegar and give it a good shake -- you'll have a bit more!
Boiling eggs. Add a bit of white vinegar to the water you're boiling your eggs in, and the shells won't crack.
Cooking cabbage. Add a bit of vinegar to the water you're cooking your cabbage in to remove that stinky cabbage smell.Fluffier meringues. Add 1 teaspoon of vinegar for every three egg whites, and you'll have fluffier meringues.
Tenderize meat. Soak in vinegar overnight.
Unsticky rice . To cook rice without sticking, add a spoonful of vinegar.
Remove onion odors. Eliminate onion odor on your skin by rubbing vinegar on your fingers before and after slicing.
Disinfect and clean cutting boards. Clean and disinfect wood cutting boards by wiping with full-strength vinegar.
Make buttermilk. Add a tablespoon of vinegar to a cup of milk and let it stand five minutes to thicken.