Pre-heat oven to 375 degrees.
Whisk flour, baking soda and salt. Set aside
Blend butter, sugars vanilla and water with mixer.
Beat in eggs.
Add flour mixture 1/2 cup at a time and mix well.
Spread batter in a greased 9 x 13 pan.
Sprinkle with chocolate and peanut butter chips
Bake 2 minutes.
Remove from oven and run knife through the batter to swirl.
Return to the oven and continue baking for 12 to 14 minutes.
Cut into bars when cool.