2 cups Oreo cookie crumbs
5-6 tablespoons melted butter
1 cup creamy peanut butter
1/2 cup powdered sugar
1/4 cup heavy cream or condensed milk
1 teaspoon vanilla extract
Crush Oreo cookies finely and mix with melted butter until it resembles wet sand. Press it into the bottom of tart pan and chill to set.
Combine peanut butter, powdered sugar, heavy cream, and vanilla. Spread filling evenly into chilled crust and chill again.
Melt chocolate chips and add heavy cream. Pour it over peanut butter layer and smoothen out.
Drizzle melted white chocolate, slice it into bars, and serve.