Sheet cakes are a potluck dream: the baking pan holds the cake and makes it wonderfully portable. This one is accompanied by an almond “cream” made from heavy cream and reduced-fat sour cream. Together, the cake and cream replicate the taste of Mexican chocolate with its undertones of almond and cinnamon. Or make cream cheese frosting and add 1/4 teaspoon almond extract.
Make Ahead Tip: Cover the cake and store at room temperature for up to 1 day. Cover and refrigerate the almond cream for up to 1 day.