noun
A sweet, thick liquid made from sugar; can refer to various sugar-based syrups including treacle and molasses.
パンケーキに砂糖蜜をかける。
I pour syrup over the pancakes.
蜂蜜 is honey (from bees), whereas 砂糖蜜 is a syrup made from sugar.
Compound of 砂糖 (sugar) and 蜜 (honey, nectar).