Created by Fizzybrat on September 2, 2017
Step 1: Heat oven to 400 degrees
Step 2: Grease baking pan, 13x9x2 inches
Step 3: Cream butter, shortening and sugar
Step 4: Mix in remaining ingredients (except jam) and press half evenly into the bottom of the pan
Step 5: Spread with jam and top with remaining crumble mixture, pressing lightly
Step 6: Bake 25 to 30 minutes or until light brown
Step 7: While warm, cut into bars