1. Bake Brownie mix and let cool.  2. Beat together peanut butter, marshmallow cream, powdered sugar and vanilla. 3. Gently spread the nougat on the brownies.  4. Sprinkle with peanuts and gently press into the nougat. Refrigerate. 5. Melt caramels and whipping cream over low heat in saucepan. 6. Remove from heat and let stand to cool, about 15 minutes, stirring occasionally until warm to the touch. 7. Spread caramel on top of peanut layer. Return to the fridge for 10 minutes. 8. Heat chocolate in a microwave safe bowl for 60 seconds at 50% power and stir.  9. Pour onto caramel layer. Let stand to harden or refrigerate until hard. 10. Cut brownies into 24 squares before serving.