WALNUT DREAM CAKE

1 pkg. white cake mix
1/2 c. cornstarch
1/2 c. firmly packed light brown sugar
3 egg whites
1 c. water
1/2 c. mayonnaise
1 c. heavy cream, whipped (may use frozen whipped topping)
1 c. chopped walnuts
Custard Filling

Grease and flour two 9 inch round cake pans. Mix all ingredients except custard filling and heavy cream. Mix on medium speed. Pour into pans and bake 20 to 30 minutes at 375 degrees. Remove from oven, cool. Split each layer in half horizontally. Fill with custard and replace cake in stacked fashion. Frost with whipped cream. Refrigerate.

CUSTARD FILLING:

In saucepan mix: 3 tbsp. cornstarch

Gradually stir in 2 cups milk. Add 3 slightly beaten egg yolks. Stirring constantly, bring to boil over medium heat and boil 1 minute. Remove from heat. Stir in 1 teaspoon vanilla. Refrigerate until cool. Use to put between layers.