Apple Streusel

1st layer -- Mix the following and spread in a greased 9x13-inch pan.
1 1/2 cups flour
1/2 cup sugar
1 teaspoon baking powder
1/2 cup butter or margarine
1 teaspoon vanilla
1 egg

2nd layer -- Bring ingredients to a boil and cook until thickened. Cool and spread of 1st layer.
1 cup sugar
1/2 teaspoon cinnamon
1 tablespoon cornstarch
4 cups dehydrated apples
2 cups boiling water

3rd layer -- Combine streusel ingredients until crumbly. Sprinkle over apple filling layer.
1/2 cup sugar
1 cup flour
1 teaspoon cinnamon
1/2 cup butter or margarine

Bake at 350 degrees F. for 30 minutes. Serve with ice cream or whipped cream

(Source: "Basic Food Storage Cookbook," South Jordan Utah River Stake, 2003, pg. 5)