I get very confused between all the different types. Tara Dear Tara, Chocolate has to be one of the most wonderful foods ever created. To answer your question, you will find bittersweet chocolate has a deeper chocolate flavor and is not as sweet as semisweet chocolate.
Semisweet chocolate is lighter in flavor and sweeter.
Both are interchangeable. I find bittersweet chocolate is great for baking. And I just adore American milk chocolate bars made into s'mores by the fire. I like a little char on mine, but it's up to you. Step 2 Top one graham cracker with the chocolate.