This is a recipe that my mom got from the back of a Diamond Walnut package. She always made them around the Holidays. We loved them!
Heat oven to 375. Beat together butter and brown sugar Stir in flour, oats & walnuts reserve 1 cup for topping. Press the remaining mixture into lightly greased 8" square pan. Combine raisins and jam. Spread over the oat mixture to within 1/2 inch of the edges. Sprinkle with reserved oat mixture, press lightly. Bake for 25 to 30 minutes. Makes 20 bars