Instructions
Preheat oven to 400 degrees.
Cream together butter and sugar thoroughly.
Stir in flour, baking soda and salt. Mix in rolled oats.
Press and flatten half of the mixture over the bottom of a 9x13 greased pan.
Spread with filling.
Top with remaining crumb mixture, patting lightly.
Bake 25-30 minutes or until lightly browned. Cool and cut into bars.