Spumoni Ice Cream Terrine

INGREDIENTS

• 3 cups Chocolate Ice Cream
• 3 cups Pistachio Ice Cream
• 3 cups Spumoni Cherry Ice Cream
• 2 cups heavy cream
• 3 tablespoons unsweetened Dutch-process cocoa powder
• 5 ounces bittersweet or semisweet chocolate
• 1 cup whole milk
• ¾ cup granulated sugar
• Pinch of salt
• 5 large egg yolks
• ½ teaspoon vanilla extract
• ¾ cup hazelnuts, coarsely chopped
• 1 1/3 cups shelled pistachio nuts
• ¾ cup sugar
• 6 large egg yolks
• 1 teaspoon vanilla extract
• ½ teaspoon almond extract
• ¾ cup pistachios, coarsely chopped
• 1½ cups pitted ripe sweet cherries (from about 3/4 lb cherries)
• ¾ cup whole milk
• 1¾ cups heavy cream
• ½ cup sugar
• 1 pinch salt
• 1 teaspoon lemon juice
• 2 Tablespoons Amaretto, cherry liqueur, or rum (optional)
• maraschino cherries, patted completely dry
• pineapple chunks, coarsely chopped and patted completely dry
• cup coarsely chopped almonds