Make Ahead Tip: Prepare through Step 4 and refrigerate for up to 1 day. Decorate just before serving.
Tip: For bakery-worthy chocolate curls, start by softening a block of bittersweet or semisweet chocolate just a tad: microwave on 20% power (Low) in 15-second bursts until just barely softened, not warm. Use a vegetable peeler to shave the chocolate into curls.
2 1/2 other carbohydrate, 1 1/2 fat