French Silk Pie

1 cup butter
1 cup sugar
2 squares melted semi-sweet baking chocolate
4 eggs
1 teaspoon vanilla
1 9 inch prepared graham cracker crust

Cream together butter and sugar. Blend in melted chocolate. Add vanilla. Add eggs one at a time beating for 5 minutes at medium speed after each egg is added. Pour into graham cracker crust. Mixture will be soupy. Chill for 3 to 4 hours, or overnight.
Do Not double recipe!