This happens to be my husbands favorite bar cookie. He requests that I make it every Christmas. He loves it with the Raspberry jam. I found this recipe in 1978 on the back of a bag of Gold Medal flour. It has been a hit with him ever since.
Heat oven to 400 degrees. Mix flour, egg yolks, 1/2 cup of the sugar, the salt, margarine and 1/2 half cup slivered almonds (dough will be stiff). Press dough in ungreased square pan, 9x9x2 inches. Bake until edges are light brown, 15 to 20 minutes; cool slightly. Spread with jam.
Beat egg whites until foamy. Beat in 1/3 cup sugar gradually; continue beating until stiff and glossy. Spread meringue over jam;sprinkle with remaining 1/2 cup slivered almonds. Bake until meringue is light brown, 8-10 minutes. Cool slightly; cut into 18 squares, or larger if desired.
Just a note here...you can use just about any flavor of jam that you wish...blueberry, cherry, apricot..your choice. When I found this recipe they only showed using raspberry and strawberry.