- 220  grs    sweet butter cookies, crushed
-     2  Tbsp sugar
- 120  grs    melted butter

Mix all these ingredients in food processor until blent 
and cover a pan pressing firmly against the bottom.

Filling

Preheat oven to 150°. In a large bowl mix Philadelphia
and sugar with the electric mixer.
Add egg yolks, Maizena, lime juice and lime rind until smooth.
In another bowl beat 3 egg whites until stiff, fold them
into the cheese mixture and bake for 60 min.
Remove pan from oven and spread mixture of sour
cream, 2 Tbsp sugar and vanilla over the top and
return to oven for 15-20 min. more.
Let it cool and then decorate it with fruit, jam, nuts,
chocolate, peanut butter, dulce de leche, etc.