Chocolate Banana Cream Pie

Ingr:
1 8 inch baked pie shell
3 tbsp cornstarch
3/4 cup sugar
1/2 tsp salt
2 cups milk
2 egg yolks, well-beaten
1.5 oz, baking chocolate, in pieces
1 tbsp butter
2-3 bananas, sliced
1/2 cup sweetened whipping cream

Blend cornstarch, sugar and salt in the top of a double boiler. Slowly stir in milk and egg yolks. Add baking chocolate and cook over simmering water, stirring constantly until thickened. Cover and cook for 5 minutes. Remove from heat and add butter and vanilla. Cover bottom of pie shell with a small amount of filling. Place sliced bananas on top and cover with remaining filling. Place plastic wrap directly on top of pudding and chill. At serving time, add whipping cream and garnish as desired.