Dutch Pineapple Pie

Crust:
1/2 cup butter or margarine, melted
1/2 teaspoon baking soda
1 cup oatmeal (3-minute)
1 cup flour
1/2 teaspoon vanilla extract
1/2 cup brown sugar

Filling:
1 cup granulated sugar
1 cup crushed pineapple
2 eggs
2 tablespoons flour
1 tablespoon butter
1/2 teaspoon vanilla extract
1/4 teaspoon salt

Blend butter and sugar. Add dry ingredients. Mix with oatmeal. Add vanilla extract. Press 3/4 of mixture into pie plate. Fill shell with pineapple filling which has been cooked until thick. Sprinkle remaining oatmeal mixture over cooked filling. Bake at 350 degrees F for 20 minutes.