Mash raspberries with granulated sugar in small saucepan.
Cook raspberry mixture over medium heat for 5 minutes.
Strain mixture through fine mesh strainer, removing seeds.
Cool raspberry puree completely before using in recipe.
Beat mascarpone, egg yolks, and vanilla until smooth.
Whip heavy cream with powdered sugar until peaks form.
Fold whipped cream gently into mascarpone mixture completely.
Dip each ladyfinger quickly in raspberry juice mixture.
Arrange dipped cookies in single layer in glass dish.
Spread half mascarpone mixture evenly over cookie layer.
Add second layer of dipped ladyfingers over cream.
Top with remaining mascarpone mixture, spreading evenly throughout.
Drizzle raspberry puree decoratively over final cream layer.
Refrigerate No Bake Raspberry Tiramisu Recipe for 4 hours.
Garnish with fresh raspberries before serving to guests.