Chocolate Velvet Ice Cream

In large bowl, stir together sugar and cocoa. Add egg yolks and blend with electric mixer. Add cream a little at a time, beating well after each addition. Chill mixture in refrigerator.

While cream mixture is chilling, grate chocolate in food processor or using a box grater, until fine. Stir into cream mixture. Freeze in canister of ice cream maker according to manufacturer's instructions.