Pumpkin Mousse Ice Cream Pie *

• 1 caramel ice cream top
• 475 ml vanilla ice cream
• 300 gr gingersnaps
• 250 gr pack pumpkin (solid)
• 230 ml whipping cream
• 200 gr sugar
• 120 gr pumpkin
• 75 gr butter
• 8 gr pumpkin pie spice
• 3 gr pumpkin pie spice