Pennsylvania Dutch Apple Pie | America's Test Kitchen

Ingredients

• 1/4 cup ice water
• 4 teaspoons sour cream
• 1 1/4 cups (6 1/4 ounces/177 grams) all-purpose flour
• 1 1/2 teaspoons granulated sugar
• 1/2 teaspoon salt
• 8 tablespoons unsalted butter , cut into 1/4-inch pieces and frozen for 15 minutes
• 2 1/2 pounds (1134 grams) apples , peeled, cored, halved, and sliced 1/4 inch thick
• 1/2 cup melted vanilla ice cream
• 1/2 cup raisins (optional)
• 1/2 cup (3 1/2 ounces/99 grams) granulated sugar
• 1 tablespoon lemon juice
• 1 teaspoon vanilla extract
• 1 teaspoon ground cinnamon
• 1 cup (5 ounces/142 grams) all-purpose flour
• 1/2 cup packed (3 1/2 ounces/99 grams) light brown sugar
• 6 tablespoons unsalted butter , melted