Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
1/2       cup           creamy peanut butter
1/2       cup           butter or margarine
1 1/2     cups          sugar
2         large         eggs
1         tablespoon    vanilla extract
1         cup           all-purpose flour
1 1/2     teaspoons     baking powder
1 1/2     cups          raisins
2 ounces (2 squares)    semisweet baking chocolate

Preparation:

1. Combine peanut butter and butter; stir over medium-low heat until melted. Remove from heat; stir in sugar, eggs and vanilla. Combine flour and baking powder; stir into mixture. Stir in raisins. 2. Spread batter in greased and floured 13x9 inch baking pan. Bake at 350 F for 25 minutes or until toothpick inserted in center comes out clean. Cool on wire rack. 3. Place chocolate in small bowl. Microwave on High 3 to 4 minutes until melted, stirring every minute. Drizzle over top. Cool.