To create a gluten-free Cherry Custard Pie. Simply replace the regular flour in the crust with a gluten-free baking blend that includes xanthan gum. This ingredient helps replicate the texture of gluten. And holds the crust together. Handle the dough with care as it can be more fragile. The rest of the ingredients, such as quark (or Greek yogurt) cherries and eggs are naturally free of gluten. Just make sure to check that your vanilla pudding mix or cornstarch is also gluten-free. By making these adjustments. You can savor a gluten-free version of this traditional pie. That everyone can enjoy safely.