Buttermilk is low in fat. The acidity of buttermilk gives it a longer refrigerator shelf life. Buttermilk can be found in the dairy section of a Grocery Store. Varieties of Buttermilk can be found, for example – cultured buttermilk, churned buttermilk and more.


These buttermilk cartons are available throughout the year and found in any grocery store where regular milk is sold.

How long is Buttermilk good for use?

According to the USDA, buttermilk lasts in a refrigerator for about two weeks. It can also be frozen for up to three months.

How to Freeze Buttermilk?

You might have noticed your cartons of Buttermilk going bad before you figure out what to do. People mostly buy these cartons for a recipe, and then waste the rest of the cartons just after making that recipe.

Freeze your leftovers so that they will last long, and that you are able to use it the next time as well.

Pour your buttermilk in an ice cube tray and keep them in a freezer. Transfer the cubes to a freezer bag once they are frozen.

Each cube is equal to two tablespoons of buttermilk.

2 cubes = ¼ cup

4 cubes = ½ cup

6 cubes = ¾ cup

8 cubes = 1 cup


You may also switch to powdered buttermilk, and you can make just what amount you need.

If you are just tired of noticing your cartons of buttermilk getting wasted over a time period, switch to the powdered versions of buttermilk. This way, you are able to reconstitute as much as you need, and return the canister to your pantry until you need it again.


You can find powered version of some of the items mentioned below too in the nearest grocery store.

  • Milk ( whole milk, non-fat, goat milk, coconut milk, rice milk, soy milk, even almond milk)
  • Buttermilk
  • Eggs
  • Heavy Cream
  • Sour Cream
  • Yogurt


Cost Comparison

As you only need a teaspoon to a tablespoon of the powder to mix up a full-size batch of milk; although buying a powdered product may seem pricey initially, you will find the cost to be fairly reasonable on the long run.

To compare the price, calculate how much does the powder make when reconstituted. Then, divide the selling price by this number to see how much you will be paying per serving.

For the best of dairy products and other grocery items around the area of Oakland, Grand Express Super Market might be your ideal choice. It offers wide range of affordable and quality grocery products.


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