Norwegian Apple Cake
["1 egg", "3/4 c. sugar", "1 tsp. vanilla", "1 tsp. baking powder", "1 c. (2 to 3) tart apples", "1/4 tsp. salt", "1 tsp. cinnamon", "1/2 c. flour", "1/2 c. nuts (optional)"]
["Combine all ingredients in a large bowl; stir until blended. (Mixture will be stiff.)", "Spoon into generously buttered 9-inch pie pan.", "Bake in preheated 350\u00b0 oven for 30 minutes or until browned and slightly puffed.", "Serve with Cool Whip or whipped cream."]
["egg", "sugar", "vanilla", "baking powder", "tart apples", "salt", "cinnamon", "flour", "nuts"]