Grease 6 (6-oz.) ramekins or individual souffl dishes with 1 Tbsp. butter.
Microwave 1 cup butter and chocolate morsels in a microwave-safe bowl at HIGH 2 minutes or until chocolate is melted and mixture is smooth, whisking at 1-minute intervals.
Beat egg yolks and eggs at medium speed with an electric mixer 1 minute. Gradually add chocolate mixture, beating at low speed until well blended.
Sift together sugar and next 3 ingredients. Gradually whisk sugar mixture into chocolate mixture until well blended. Divide batter among prepared ramekins.
Place ramekins in a 15- x 10-inch jelly-roll pan.
Bake at 425 for 16 minutes or until a thermometer inserted into cakes registers 16
Remove from oven, and let stand 10 minutes. Run a knife around outer edge of each cake to loosen. Carefully invert cakes onto dessert plates.
Garnish, if desired.
Coffee Liqueur Java Cakes: Omit instant espresso. Prepare recipe as directed through Step Sift together sugar, flour, and salt. Gradually whisk sugar mixture into chocolate mixture until well blended.
Whisk in 1/3 cup coffee liqueur. Proceed with recipe as directed, baking cakes 14 to 16 minutes or until a thermometer inserted into cakes registers 16
Note: For testing purposes only, we used Kahla for coffee liqueur.
Orange Java Cakes: Prepare recipe as directed through Step Sift together sugar and next 3 ingredients. Gradually whisk sugar mixture into chocolate mixture until well blended.
Whisk in 1/4 cup orange liqueur and 1 tsp. orange zest. Proceed with recipe as directed, baking cakes 14 to 16 minutes or until a thermometer inserted into cakes registers 16
Note: For testing purposes only, we used Grand Marnier for orange liqueur.
Minty Mocha Java Cakes: Prepare recipe as directed through Step Chop 12 thin crme de menthe chocolate mints.
Sprinkle center of batter in ramekins with chopped mints. Press mints into batter gently just until submerged. Proceed with recipe as directed. Note: For testing purposes only, we used Andes Crme de Menthe Thins.