In large mixing bowl, combine eggs, sugars. peanut butter. margarine and vanilla.
Beat at medium speed until well blended. Sift together dry ingredients: sprinkle 2 tablespoons over raisins.
Add dry ingredients to creamed mixture, blending well.
Stir in floured raisins and chocolate. Spread in greased pan 9- by 13 inches.
Bake at 350 °F for from 30 to 35 minutes, or until toothpick comes out clean when inserted.
Cool in pan for 10 minutes. Cut into 5- by 6 centimeter bars.
Cool before removing from pan. Yield: 2 dozen bars.