Strawberry Tiramisu Cake

• 8 round
• 6 so berries (whole garnish)
• 2 hulled
• 1 angel food cake
• 475 ml whipping cream (heavy)
• 160 gr strawberry jam
• 230 ml cream cheese
• 95 gr grand marnier
• 65 gr confectioners sugar (plus)
• 26 gr confectioners sugar