filling pour milk and pudding mix in bowl mix with mixer on med lo for 2 mins stir in butter and vanilla cover with plastic wrap refrigerate for 1hour

cake : preheat to 350 use bundt pan. place cake mix water budder and eggs in large bowl blend on lo with mixer for 30 secs scrape down sides

increase speed to medium beat 3to4 mins more escaping down sides. pour batter into pan bake 33-35 mins let cool 20 mins. transfer to cool rack for 20 more mins

glaze: place chocolate and budder in saucepan over low heat stir until melted 3-4 mins remove from heat mix with powdered sugar and milk

slice cake in 3 parts put pudding in between each part drizzle with glaze and refrigerate for at least 20mins then eat it up like a hungry platypus