|Milk||1 Cup (16 tbs)|
|Semi-sweet chocolate||3 Ounce, cut in small pieces|
|Sugar||1⁄2 Cup (8 tbs)|
|Coffee flavored liqueur||1 Tablespoon|
|Cream of tartar||1⁄4 Teaspoon|
Prepare a 1-1/2-quart souffle dish; set aside.
Preheat oven to 350°F (175°C).
In a medium saucepan over low heat, combine milk and chocolate.
Stir until chocolate melts.
Remove from heat; set aside.
In a medium mixing bowl, beat egg yolks until thickened and lemon-colored.
Beat in sugar, flour and cornstarch until smooth.
Add to melted chocolate in saucepan.
Return saucepan to heat.
Stir over low heat until mixture thickens.
Remove from heat.
Stir in butter and liqueur; set aside.
In a large mixer bowl, beat egg whites until foamy.
Add cream of tartar; continue beating until stiff peaks form.
Fold in chocolate mixture.
Spoon into prepared souffle dish.
Bake 45 minutes.
Serve imme diately.