Simple Pumpkin Tiramisu

Bahan-bahan (8 porsi)

• 1 1/2 cups chilled whipping cream
• 3/4 cup granulated white sugar
• 8 ounces mascarpone cheese
• 15 ounces canned unsweetened pumpkin puree
• 3/4 teaspoon pumpkin pie spice
• 6 ounces ladyfingers, (cut in half)
• 4 tablespoons rum, (divided)
• 2 ounces crushed amaretti cookies