A highly rated recipe for almond cake on Epicurious.com involves a combination of ground almonds, eggs, sugar, citrus zest and almond extract. Another popular recipe on NYTimes.com features ground almonds, oranges, eggs, sugar and baking powder.
Follow the almond cake recipe on Epicurious.com by using a food processor to grind 1/2 pound of blanched whole almonds into fine particles. Collect the zest from 1 orange and 1 lemon. Use an electric mixer to beat 6 egg yolks with 1 1/4 cups superfine sugar until the mixture is pale and creamy. Mix in the citrus zest and 4 drops almond extract before incorporating the ground almonds.
Use clean beaters to whip 6 egg whites into stiff peaks, and gently combine this with the almond mixture. Transfer the batter into a buttered and floured 11-inch springform pan. Bake the cake at 350 degrees Fahrenheit for 40 minutes, or until the batter is cooked through. When the cake is cool, remove it from the pan, and decorate it with confectioners' sugar.
Follow the orange-almond cake recipe from the New York Times by simmering 2 whole oranges for two hours. Allow the oranges to cool before slicing them. Discard the seeds, and blend the oranges to make a puree. Beat 6 eggs in a bowl before adding the orange puree along with 1/2 pound ground almonds, 1/2 pound sugar and 1 teaspoon baking powder. Fill a prepared cake pan with the batter, and bake it at 400 degrees Fahrenheit for one hour.