Spray a 9-inch square baking dish with vegetable spray.
In a food processor, combine ricotta cheese, cream cheese, 1/2 cup sugar, cocoa, egg yolk and vanilla until smooth; transfer to a bowl.
In bowl, beat egg whites until soft peaks form. Gradually add 1/3 cup sugar and continue to beat until stiff peaks form. Gently fold the whites into the ricotta mixture.
Combine coffee and liqueur in a small bowl.
Put half of lady fingers in bottom of dish. Sprinkle with half of coffee-liqueur mixture. Spread half of ricotta mixture on top. Repeat layers. Cover and chill for at least 3 hours, or overnight.
Nutritional Information (Per Serving)
Calories:
150
Protein:
6 g
Sodium:
102 mg
Cholesterol:
66 mg
Fat:
5 g
Carbohydrates:
21 g
Exchanges:
1/2 Starch, 1 Other Carbohydrate, 1/2 Lean Meat, 1/2 Fat