Ingredients

• 4 eggs, separated
• 1 cup packed brown sugar
• Zest and juice of 1 unwaxed orange
• 1-1/3 cups ground walnuts
• 1 tsp ground cinnamon
• 1 -1/2 cups grated carrot
• 3/4 cup whole-wheat flour
• 1 tsp baking powder

Frosting

• 8 oz. cream cheese
• 2/3 cup confectioners' sugar
• Zest and juice of 1 unwaxed orange

Directions
1 Preheat oven to 350°F. Whisk egg yolks and sugar in a bowl until thick and creamy. Fold in remaining cake ingredients, except egg whites, blending until smooth.

2 Whisk egg whites until stiff, then fold into the cake mixture. Pour into the prepared cake pan and bake in centre of preheated oven for 1 hour. Let cool in pan for 5 minutes, then turn out and cool completely on a wire rack.

3 To make frosting, beat cream cheese and confectioners' sugar together. Add orange zest and enough juice to flavour. Spread over the top of the cake using a spatula dipped in hot water. Sprinkle with any remaining orange zest before serving.

Makes one 8" square cake.