Preheat oven to 425 degrees.

Spray 4 custard cups with Pam and place on cookie sheet.

Microwave chocolate and butter in large bowl on high for about 1 minute, until butter is melted. whisk until chocolate is also melted.

Stir in sugar until well blended. Whisk in eggs and egg yolks. Stir in flour.

Divide between cups.

Bake 13-14 minutes until sides are firm and center is soft. Let stand 1 minute.

Combine sugar and heavy cream and whip until stiff.

Invert cakes on dishes and top with whipped cream.