Line 8x12 inch pan with vanilla wafers. Beat cream cheese in mixer until creamy. Add milk and pudding and beat until thick. Fold in whipped topping and spread over vanilla wafers.
Melt butter in sauce pan. Add chocolate chips and stir until melted add powdered sugar and stir until smooth. Add 3 or 4 tbs of water and mix well. Drizzle over first mixture and refrigerate. Chocolate will harden. Cut into squares and serve.
Cajun Country -- New Iberia, Louisiana