Peanut Butter Bars

Combine peanut butter, butter or margarine and vanilla in a large bowl; beat with electric beater until well blended. Beat in sugar until light and fluffy; in eggs one at a time.

Stir in flour and salt just until well blended; spread batter in a greased 13 x x 2-inch baking pan.

In moderate oven at 350° for 35 minutes or until center springs back lightly touched with fingertip.

Remove pan from oven to wire rack; cool slightly.

Combine sugar with water in a stir until smooth.

Drizzle from a spoon over still cookies in pan. Swirl with bowl of spoon to make random pattern.

Melt chocolate with shortening over simmering water top of double boiler. Drizzle over the white glaze for black and pattern. When cool, using a sharp knife, cut into 36 rectangles. Carefully lift out of pan with spatula.