I bowl mix together flour, oats, brown sugar and baking soda. With pastry fork, cut in butter until well incorporated. Line 8 x 8 inch pan with foil and spray with PAM. Using 2/3 of the mixture, press evenly into pan. Warm jam slightly. Carefully spread jam onto crust leaving 1/4in border. Sprinkle remaining mixture onto top, gently pressing into jam. Bake in preheated 350 degree oven for 35 -40 minutes or until slightly browned. When cool, cut into bars.