Beat sugar, margarine, egg until creamy and fluffy

Beat in milk a little at a time

Mix flour and BP, fold into egg mixture a little at a time

Pour batter into greased and floured rectangular pan

Press in raspberries

Sprinkle with chopped walnut

Bake on preheated 350 F for 20-30 minutes, until knife inserted in center comes out clean

Serve with icing sugar (optional)