Question: can unsweetened chocolate be substituted for semi sweet?
Answer: 1-ounce unsweetened baking chocolate and 1 tablespoon granulated sugar for every 1-ounce semi-sweet baking chocolate. 3 tablespoons unsweetened cocoa powder, 3 tablespoons sugar and 1 tablespoon butter, margarine or shortening for every 1 ounces of semi-sweet baking chocolate.