4 squares BAKER'S Semi-Sweet Chocolate
1/2 cup butter
1 cup powdered sugar
2 whole eggs
2 egg yolks
6 Tbsp. flour
1/2 cup thawed COOL WHIP Whipped Topping (optional)
HEAT oven to 425°F. BUTTER 4 small custard cups; place on baking sheet.
MICROWAVE chocolate and butter in large microwaveable bowl on HIGH 1 min. or until butter is melted; whisk until chocolate is completely melted. Stir in sugar. Add whole eggs and egg yolks; mix well. Stir in flour. Spoon into prepared cups.
BAKE 13 to 14 min. or until sides of desserts are firm but centers are still soft. Let stand 1 min. Carefully run small spatula or knife around cakes to loosen; invert into dessert plates.
