1 c. butter
1/2 c. white sugar
1/2 c. brown sugar
1 egg yolk
1 tsp. vanilla
2 c. flour
1 (6 oz.) pkg. chocolate chips
1 sm. Hershey's candy bar

Mix and spread in greased and floured 9 x 13 inch pan. Bake at 350 degrees for 15-20 minutes. Melt chocolate chips and Hershey's candy bar in double boiler. Spread while warm over first mix. Top with chopped or slivered almonds. Cut while warm.