Chocolate Chip Blond Brownies

2 c Flour
1 ts Baking powder
1/2 ts Baking soda
1 ts Salt
1 c Chopped nuts
2/3 c Butter or margarine
2 c Packed brown sugar
2 Eggs, slightly beaten
2 ts Vanilla
6 oz Semi-sweet chocolate chips (1 package) Sift together flour, baking powder, soda and salt.
Add nuts; mix well and set aside. Melt butter in saucepan; remove from heat. (If margarine is used, add 2 tablespoons hot water.)
Add brown sugar; beat well. Let cool.
Add eggs and vanilla; Blend well.
Add flour mixture, a small amount at a time, mixing well after each addition. Spread in greased 9x12-inch baking pan. Bake at 350 degrees for 20 to 25 minutes. Do not over bake. Cool in pan and cut in squares.