Muscovado Sugar Cake

Muscovado sugar is an unrefined brown sugar made from sugarcane juice, and has a stronger, more pungent taste than other brown sugars—many of which are just blends of refined white sugar and molasses. It’s a great match for amaranth, because it stands up to the grain’s grassy flavor. If you don’t have or can’t find muscovado sugar, regular dark brown sugar can be substituted. Apple butter, which is more concentrated than applesauce, adds richness and moisture. You can use either the