Microwave the brown sugar with a damp paper towel for 10 to 20 seconds
Place the brown sugar in a sealed container with a slice of bread for a few hours
Place the brown sugar in a sealed container with a few apple slices for a few hours
Put a terra cotta brown sugar saver in the container after soaking it in water
Break up the sugar with a fork or spoon after softening
Warm the sealed container briefly near a low heat source if needed