Uncle Jay's Butterscotch Brownies

Why I Love This Recipe
Uncle Jay loved his butterscotch...Mother always had a butterscotch pie when they came to visit ~ she tried this...we never did make pie, again, I miss him.
Ingredients You'll Need
2 cups sifted all-purpose flour
1 teaspoon baking powder
1/4 teaspoon baking soda
1 teaspoon ground sea salt
1 cup finely chopped walnuts
2/3 cup butter (has to be butter)!
2 cups packed brown sugar
2 eggs
1-1/2 tablespoons vanilla extract
1 to 1-1/3 cups semisweet chocolate chips
Directions
Preheat oven to 350º
Measure 1 cup sifted flour. Add baking powder, baking soda, and salt. Sift again. Add 1/2 cup chopped nuts.
Mix together very well and set aside.
Melt 1/3 cup butter. Add 1 cup firmly packed brown sugar and mix well, just don't OVER mix.
If you use shortening add 1 tablespoon hot water. Cool slightly.
Add beaten egg and vanilla. Blend well, again, don't over mix.
Add flour mixture, a little at a time, mixing until blended.
Spread in 9 x 13 pan. Sprinkle 1/2 to 1 cup chocolate chips on top. Bake for 20 to 25 minutes -- don't overbake!