Mascarpone custard layered with whipped cream and coffee liqueur brushed ladyfingers.
Combine egg yolks and sugar; whip until thick and lemon colored, about 1 minute. Place in top part of double boiler over boiling water. Reduce heat to low and cook 8 to 10 minutes, stirring constantly. Remove from heat. Add mascarpone cheese and beat well. Whip cream until stiff and fold into egg mixture; set aside. Line bottom and side of quart bowl with ladyfinger halves. Brush with coffee liqueur. Spoon half of egg yolk/cream mixture on top of ladyfingers. Repeat layers. Garnish with sweetened whipped cream, cocoa and chocolate curls. Cover and refrigerate several hours or overnight.
For ladyfingers, check the ingredients. Some are leavened, but some are not.