Crush biscuit in a food processor, dump onto spring form pan
Pour melted butter, mix, and pat tightly covering the spring form pan
Bake on preheated 350 F for 5 mins
Beat cream cheese til creamy, add in sugar, beat til combined completely
Beat in vanilla, and drink mix
Beat in egg one at a time
Pour onto crust
Bake on preheated 325 F until set but center still a little bit jiggly
Cool to room temperature before chilling for 4 H to overnight
Slice and serve