To make this Delicious Old-Fashioned Raisin Pie gluten-free. Substitute the regular pastry. With a gluten-free pie crust. Easily found at most grocery stores. Additionally, replace the all-purpose cornstarch. With a certified gluten-free cornstarch. This ensures everyone. Including those with gluten sensitivities. Can enjoy this comforting. And nostalgic dessert. Without worry. The taste and texture remain wonderfully rich. And satisfying. Capturing the essence of this classic pie.