Stay in the U.S. Midwest for any period of time, and you'll see people use ranch dressing with literally everything, from pizza and wings to pasta salads, chicken fingers and fries, and even tacos.
They love their ranch (it's ), and they love discussing . Whether you live in the Midwest or you're just channeling those Heartland vibes from another part of the country, an open bottle of ranch dressing is a staple in many household refrigerators, but how long does it keep? While the says that salad dressing is good for up to two months in the fridge, some push the fresh-and-edible period to six or even nine months. It's dependent, of course, on how it's stored in the fridge, as well as which brands and what types of preservatives they use in the recipe (and certainly, store-bought dressing, such as we're discussing here, lasts longer than homemade — like this – which has none of the preservatives added to the former).
Tips for storing ranch dressing Ranch, being made up primarily of the dairy items buttermilk and sometimes sour cream, should definitely be kept in the fridge after opening. Your first instinct may be to store it in the refrigerator door, but due to its highly perishable nature, it's better to keep it on a lower shelf, toward the back, where it's coldest. This way it won't be as subject to temperature fluctuations every time you open the door.
If by some chance the lid to your ranch dressing breaks, you should place it in another airtight container, as leaving .