Chocolate desserts are a work of art, so why not treat them like one? Instead of using a knife to break a block of chocolate into chunks, use a cheap chisel. Its sturdy edge does as good a job, and preserves the knives’ sharp, delicate edges. Simply place the chisel on the chocolate angled away from you. Then, using short, quick strokes, chip into pieces of desired size.
For more: 3 Ways to Chop Chocolate Lika a Ninja