Preheat oven to 350 degrees F. Grease a 9" x 13" pan.
Step 2
In a saucepan over low heat, melt 1/2 cup butter and 1/2 cup chocolate chips.
Step 3
Remove from heat and add the four and sugar and mix well. Press this mixture firmly into the greased pan. Bake for 10 minutes.
Step 4
Meanwhile, combine the confectioners' sugar and baking powder in a mixing bowl.
Step 5
Add the eggs, remaining 1/4 cup butter, peanut butter, dates, walnuts and water, and mix thoroughly.
Step 6
Cool the baked crust for 5 minutes, then spread the date mixture over the crust. Bake for 15-20 minutes or until golden.
Step 7
Melt the remaining 1/2 cup chocolate chips with the 1 tablespoon of shortening and spread over the baked crust and filling. If desired, sprinkle with additional chopped nuts. Cool completely and cut into bars.
