Preheat oven to 350F. Combine flour and sugar. Cut in margarine with two knives until you have a crumbly mixture. Add nuts, eggs and vanilla. Press half of mix (2 cups) into bottoms of two 8 x 8 x 2 inch baking pans. Bake 20 minutes. Remove from oven and spread each with 1/2 cup jam. Return to oven and bake 15 minutes longer. Let cool on wire rack. Cut into 2 x 1 inch rectangles.
Cajun Country -- New Iberia, Louisiana