fill saucepan halfway with water bring to boil over Med/High heat, reduce to simmer, whisk in yokes, milk. and sugar together in medium bowl, place bowl on top of saucepan (use as double boiler ),stir often for 8 -10 minutes or until thickens. remove bowl from heat, add2 cups of mascrapone cheese. and vanilla. whisk until cheese is smooth.

separate bowl, wiped cream with mixer until thick.

slowly fold whipped cream into mascrapone mixture until incorporated but don't over do it can lose fluff and flatten out.

combine espresso & Kahlua in large shallow bowl, one by one dip each lady finger in mixture. arrange half of dipped fingers on 8x8 serving dish or bake pan

spoon half cheese over fingers and second layer of dipped fingers atop cheese mixture.

spoon remaining cheese over 2nd layer and spread evenly.

put 2 teaspoon of coca powder in tight mesh strainer and gently tap side to add dusting.

cover, chill for several hours