Extreme Chocolate Pie

1 8-oz. Pkg. Brownie mix
1 cup sugar
¾ cup butter
6 oz. Unsweetened chocolate, melted and cooled
1 tsp. Vanilla
1 cup refrigerated or frozen egg product,
thawed, or 1 cup pasteurized eggs
1 1.45-oz. Bar dark chocolate, coarsely chopped
1 recipe Chocolate Whipped Cream (optional)

Preheat oven to 350 degrees. For crust, prepare brownie mix according to package directions. Spread in the bottom of a greased 9-inch pie plate. Bake 15-20 minutes or until toothpick, inserted near center, comes out almost clean. Cool. For filling, in a medium mixing bowl beat sugar and butter with an electric mixer on medium speed about 4 minutes or until fluffy. Stir in melted and cooled chocolate and the vanilla. Gradually add egg product, beating at low speed until combined. Then beat on medium to ghigh speed, scraping sides of bowl about 1 minute or until flight and fluffy. Transfer filling to prepared pie plate. Cover; chill for 4 to 24 hours.
Top with chocolate whipped cream:
1 cup whipping cream
2 Tbls. Sugar
1 ½ tsp. Unsweetened cocoa powder
Beat the above ingredients till soft peaks form