1 (6 oz.) pkg. semi sweet chocolate chips
1 (6 oz.) pkg. mint chocolate chips
1 can sweetened condensed milk
1 c. chopped walnuts
1/2 tsp. vanilla

Melt chips with sweetened milk in top of double boiler over hot (not boiling) water. Stir occasionally. Remove from heat add walnuts and vanilla. Chill 1 hour until mixture thickens. Line bottom of 9 inch pie pan with foil. Spoon mixture into small mounds. Chill until firm.