thickness of newspaper. Ad hot water to pan to come halfway up sides of cups. Cover pan with aluminum foil. Bake in lower third of oven until custards are just set, 35 to 40 minutes. (Be careful not to overbake.) Remove custard cups from pan; cool completely on wire racks. 3. Blanch peaches in boiling water for 1 minute. Plunge into ice water to stop cooking. Peel, cut into quarters, discarding pits. Cut the peaches into thin slices. 4. Unmold mousses onto individual serving plates. Garnish with peaches, watermelon rind, and almonds.