Bittersweet chocolate is chocolate liquor (or unsweetened chocolate) to which some sugar, more cocoa butter, vanilla and sometimes lecithin has been added. It has less sugar and more liquor than semisweet chocolate, but the two are interchangeable when baking.
Bittersweet chocolate is chocolate liquor (or unsweetened chocolate) to which some sugar, more cocoa butter, vanilla and sometimes lecithin has been added. It has less sugar and more liquor than semisweet chocolate, but the two are interchangeable when baking.