Cream sugar and butter. Add egg, milk and vanilla, mix well. Add dry ingredients and mix until well combined. Divide dough in half. Roll dough on foil or parchment paper to fit cookie sheet. Spread jam all over dough as filling. Cut one inch strips from remaining dough and lay criss cross over top of fruit filling. Bake at 350 for 20-30 minutes or until light brown. Cool and cut into bars.