Beat together sugar, butter, egg and vanilla until smooth and creamy. Stir in flour and nuts. Spoon half the batter in a greased 23 cm square pan; spread evenly. Spread batter evenly with jam. Cover jam with remaining batter. Bake in 325 degree oven 50 minutes. Cool 10 minutes. Cut into 32 bars (1 x 5 cm). Reprinted with permission from: Bar Cookies from the C and H Sugar Kitchen by Jean Porter Electronic format by Karen Mintzias