These Are The Best Bargains At Costco (And The Worst) - Page 56 of 67

Don’t Buy: Baking Powder

Baking powder might not have an expiration date, but passionate bakers hold fast to the belief that fresh baking powder not only tastes better in recipes, but it also performs more efficiently, resulting in consistent kitchen results.

Sally McKenney, blogger and baking enthusiast, claims that she replaces baking powder and baking soda every three months to ensure the best baking results. Costco’s large quantities could quickly sour, so bakers steer clear.