Is it safe to use brown sugar that has been open for several months? Are there any quality issues that can arise when using older brown sugar? We asked an expert.

Brown sugar doesn’t always behave. One day it’s perfectly soft and scoopable; the next, it’s a solid, unyielding block. Why does this happen, and how should you store brown sugar to avoid hard lumps?

Learn how to prevent clumps, which containers work best, and what to do if your brown sugar has already hardened. Brown sugar doesn’t always behave. One day it’s perfectly soft and scoopable; the next ...