In a bowl, combine cookie crumbs and butter; press onto the bottom and up the sides of an ungreased 13-in. x 9-in. dish. Spread ice cream over crust; sprinkle with peanuts. Cover and freeze for at least 1 hour.
For caramel sauce, in a small saucepan, combine the brown sugar, cream and butter. Bring to a boil; cook and stir for 1 minute. Remove from the heat; stir in vanilla. Cool. Drizzle over peanuts. Cover and freeze for at least 1 hour.
For chocolate sauce, in a large saucepan, combine the milk, chocolate chips and butter. Cook and stir over low heat until melted and smooth. Stir in confectioners' sugar. Bring to a boil. Reduce heat; simmer, uncovered, for 8-10 minutes or until thickened, stirring frequently. Remove from the heat; stir in vanilla. Cool.
Drizzle over dessert. Cover and freeze for 2 hours or until firm. Yield: 12-15 servings.