1 cup sifted flour
1 teaspoon baking powder
3/4 teaspoon salt
1 cup butterscotch morsels
1/4 cup butter
1 cup firmly packed brown sugar
1/2 teaspoon vanilla extract
1/2 cup chopped walnuts or pecans
Sift together sifted flour, baking powder and salt; set aside. Melt butterscotch morsels and butter in top of double boiler; remove from heat and stir in brown sugar; let cool 5 minutes.
Add unbeaten eggs and vanilla extract and mix well. Blend in sifted dry ingredients and chopped nuts. Turn into greased 13 x 9-inch pan. Bake at 350 degrees F for 20 to 25 minutes. Cut into squares while warm.