Pumpkin Pie Ice Cream

Bahan-bahan (12 porsi)

• 5 large egg yolks
• 1/2 cup light brown sugar
• 1/2 cup light corn syrup
• 1 tablespoon cornstarch
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon pumpkin pie spice
• 1/4 teaspoon ground nutmeg
• 1/4 teaspoon ground ginger
• 1 cup half and half cream
• One 15-ounce can unsweetened pumpkin puree
• 1 cup heavy whipping cream
• 1 teaspoon vanilla extract
• 1 teaspoon freshly grated orange zest
• 1 cup coarsely crumbled gingersnaps, for serving garnish ((optional))