Matrimonial Bars

Stir together flour and soda; set aside. In a medium bowl, using a mixer, cream butter and sugar until light and fluffy. Stir in flour mixture until well-blended. Beat in oats with wooden spoon. Dough will be crumbly. Press half the dough into greased 13x9 inch pan. Spread with jam. Crumble remaining dough over top; pat lightly to cover. Bake in preheated 400 degree oven 20-25 minutes. While warm, cut in bars and remove from pan. Store airtight in cool place.