12 kinds of chocolate to know —
Unsweetened Chocolate -- An aptly named man, James Baker, began manufacturing unsweetened chocolate in Massachusetts in 1765; his Baker's Unsweetened Chocolate is still sold today. For every ounce of unsweetened chocolate called for in a recipe, you can substitute 1 1/2 ounces of bittersweet or semisweet chocolate and subtract 1 tablespoon of sugar.