1 c. butter
3/4 c. cocoa
2 c. sugar
3 eggs
1 tsp. vanilla
1 c. flour
1 1/2 c. coarsely chopped walnuts
6 oz. pkg. chocolate chips

Melt butter; add cocoa, sugar, eggs, and vanilla. Beat. Add flour and 1/2 cup nuts. Spread into greased 13 x 9 inch pan. Sprinkle nuts and chips on top. Bake at 350 degrees for 35 minutes. Do not overbake. Cut into bars.