Lightning Cake
["1/2 c. butter", "1/2 c. sugar", "4 egg yolks", "1/2 tsp. salt", "1/3 c. sugar (for topping)", "2 tsp. soda", "1 c. flour", "5 Tbsp. milk", "1 tsp. vanilla", "1/2 c. chopped fine nuts of your choice"]
["Soften butter, then cream.", "Add sugar and beat until smooth. Add yolks and beat.", "Add dry ingredients alternately with milk and vanilla.", "Pour dough into 8-inch layer cake pans.", "Beat egg whites and add 1/3 cup sugar.", "Spread egg white mixture on top of the dough.", "Sprinkle nuts evenly on top of meringue.", "Bake at 350\u00b0 for 40 minutes or until slightly brown."]
["butter", "sugar", "egg yolks", "salt", "sugar", "soda", "flour", "milk", "vanilla", "nuts"]