Refers to a dark, viscous sugar syrup, often used in baking or traditional sweets. Not a common everyday word; more specific than 砂糖 (sugar).
Treacle is used in this bread.
Molasses has a distinctive flavor.
Compound of 蜜 (mitsu, 'honey, nectar') and 砂糖 (satō, 'sugar'), literally 'honey sugar', describing its thick, syrupy consistency.