9 Pantry Items You Should Never Buy in Bulk

GOBankingRates works with many financial advertisers to showcase their products and services to our audiences.

These brands compensate us to advertise their products in ads across our site.

This compensation may impact how and where products appear on this site.

Woman Choosing Materials in Construction Store.

Commitment to Our Readers

GOBankingRates' editorial team is committed to bringing you unbiased reviews and information.

you might read more about oureditorial guidelinesand our products and servicesreview methodology.

A lot of these essentials can usually be found in a pantry.

Heres what shouldstay on the grocery list and not necessarily the Costco list.

Walnuts, pine nuts, peanuts or any nut for that matter.

Nuts are very sensitive to temperature.

When testing recipes, I purchased a wide variety of nuts to add intodesserts and salads.

Moran suggested buying only the exact amount of nuts needed for recipes and not any more than that.

Cornmeal, like all grains, attracts bugs, Moran said.

So, unless youre making a ton of cornbread regularly, dont buy it in bulk.

I label all of mine with the date opened and toss them at one year, she said.

But the good news is that baking soda is still useful after six months as a household cleaner.

email sharing button

Pancakes tasting a little off?

Formicola said it could be the maple syrup.

Real maple syrup will start to lose its flavor.

Store it in the fridge to preserve it longer.

Something so small and used so infrequently can easily get overlooked in the pantry.

Formicola explained that sesame seeds can start to taste bad after they expire.

Sesame seeds will taste bitter with a weird aftertaste, she said.

Youre better off buying these in smaller quantities when you know youll need them.

Formicola cautioned that keeping peanut butter for a long time will affect the quality.

Luckily, theres a warning sign to look out for.

Although it doesnt go bad, it does get dry and lose its signature molasses flavor, she said.

I cant tell you how many folks dont understand that yeast goes bad, Formicola said.

It is a living organism, so the little packet you have from 1985 is bad.

Instead, buy a small amount of yeast if its available at the store.