To prepare a spotted dick desserts recipe, first you need to prepare the ingredients. First, you'll need the following ingredients: 1 cup sour cream 2 tablespoons granulated sugar 1 tablespoon vanilla extract 1 teaspoon cinnamon 1 tsp. nutmeg 12 teaspoon kosher salt 1/2 cup confectioners' sugar Instructions: Place the sugar, vanilla, and cinnamon in the bowl of an electric mixer and beat on medium speed until the mixture is light and fluffy, about 2 minutes. Add the egg yolks and mix on low speed for 1 minute. Gradually add the flour, beating after each addition until just combined. Pour the batter into the prepared pan and bake for 20 to 25 minutes or until browned. Remove the pan from the oven and allow the cake to cool for 10 to 15 minutes before cutting into squares.