Preheat oven to 350°.
Prepare Truffle Fudge Brownie Mix according to package directions and spread into a greased 9-inch springform pan. Bake for 27-30 minutes. Cool completely.
Once cooled, remove from springform pan and place on plate/platter to decorate. Warm Peppermint Fudge Sauce in microwave for 15-20 seconds and spread over brownie pizza. Decorate with crushed peppermints, chocolate candies and colored sprinkles. Drizzle melted white chocolate chips over decorated pizza. Chill for 30 minute or until ready to serve. Slice into triangular pieces and serve.