Good-Cooking - Amaretto Wreath Pie

Ingredients

• 1 1/2 cups vanilla wafer cookie crumbs
• 1 tablespoon amaretto
• 1/4 cup butter, melted
• 2 small boxes pistachio instant pudding
• 3 cups half-and-half
• 1/3 cup amaretto
• 1 (20 ounce) can crushed pineapple, drained
• 1 cup heavy cream
• 2 tablespoons confectioners' sugar
• 1 teaspoon vanilla extract
• Pistachios, crushed