The other big difference between brands of “light” brown sugar is the size of the crystals. Some are so chunky, they’re crunchy. Others offer ultra-fine granules that melt on the tongue.
Hard brown sugar is a kitchen menace. My grandmother decanted her brown sugar into a glass jar and placed the heel of a loaf ...
Muscovado sugar is prone to drying out, forming indestructible lumps that defy melting and can leave little lumps in your cake batter. Soften brown sugar in the microwave in a burst of 15-20 seconds.