3 c. fine graham cracker crumbs
1 c. evaporated milk
1 c. sugar
1 tsp. vanilla
1 (6 oz.) pkg. chocolate bits (mint flavor is good)
1/2 c. chopped nuts

Mix all ingredients well in a large mixing bowl. Spread into a well greased 9 inch square pan. Bake at 350 degrees for about 35 minutes, or until cake pulls from sides of pan. Cool, cut into bars.