pkg semi-sweet chocolate chips
1Cream butter and sugar. Add egg and vanilla. Mix well. Real butter and vanilla taste best. Add flour and combine.
2Spread 1/4 inch thick over an area approximately 13 by 15 inches on a baking sheet. bake in a moderate oven, 350 degrees for 15 minutes.
3While cookies are baking, melt the chocolate pieces over hot water. Spread over surface of cookies while hot. Sprinkle the top with nuts and cut at once into bars.