Danish Pastry Apple Bars
["2 1/2 c. flour", "1 tsp. salt", "1/2 c. margarine", "1/2 c. butter", "1 egg yolk", "1 tsp. cinnamon", "1 c. crushed Rice Krispies, cornflakes or Wheaties", "8 c. sliced apples", "1 c. sugar", "1 egg white", "1 c. powdered sugar", "1 Tbsp. milk", "1/2 tsp. vanilla"]
["Combine flour and salt; cut in margarine and butter.", "Beat egg yolk in measuring cup; add enough milk to make 2/3 cup liquid. Mix well.", "Stir into flour.", "Roll half of dough into jelly roll pan.", "Sprinkle cold cereal on dough.", "Top with apples; sprinkle with sugar and cinnamon.", "Roll out remaining dough to fit top. Seal edges.", "Beat egg whites until frothy; brush over top of dough.", "Bake until golden brown.", "Glaze warm bars with powdered sugar, milk and vanilla mixture."]
["flour", "salt", "margarine", "butter", "egg yolk", "cinnamon", "Rice Krispies", "apples", "sugar", "egg", "powdered sugar", "milk", "vanilla"]