Choc SwiRoll

Chocolate-Rum Swiss Roll

Make this sweet Swiss roll from "Martha Stewart's Cooking School" for an unforgettable holiday dessert.
 

• FOR CAKE
• Vegetable-oil cooking spray
• 1/4 cup cocoa powder, plus more for pan
• 1/3 cup plus 2 tbsp  cake flour, plus more for pan
• Pinch of salt
• 3 large whole eggs plus 2 large egg yolks
• 1/2 cup granulated sugar
• 1/4 cup(1/2 stick) unsalted butter,    melted and cooled completely
• FOR FILLING
• 1/4 cup water
• 1/4 cup plus 1 tbsp sugar
• 2 tbsp light rum
• 1 1/4 cups heavy cream
• FOR FINISHING
• Unsweetened Dutch-process cocoa powder

Directions