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How to Make a Nut-Free and Gluten-Free Pie Crust

This Oat Flour Pie Crust is gluten-free and nut-free and so easy to work with! It uses oat and tapioca flour and doesn't need to be chilled! It's great for both savory and sweet pies and is so easy to work with.
Prep Time8 minutes
Total Time8 minutes
Servings: 1 pie crust
Author: Lexi


  • 1 cup 120g store-bought oat flour (see note)
  • 1 cup 120g tapioca flour
  • ½ teaspoon salt
  • ½ cup butter cold
  • 1 egg
  • ½ cup apple sauce see note
  • 1 tablespoon maple syrup


To Make the Dough:

  • In a food processor combine oat flour, tapioca floursalt, and cold butter and pulse until the butter is broken down into pea-sized pieces.
  • In a small bowl whisk egg, apple sauce and maple syrup together. With the food processor running, add egg mixture and process until it just comes together to form a shaggy dough.

To Roll the Dough:

  • Place dough on a large piece of plastic wrap and top with another piece of plastic wrap. Roll out into a 12" circle and take off the top piece of plastic. Invert into a 9" pie pan and crimp the edges.

To Par bake the Crust:

  • Place a piece of parchment inside the crust and fill with pie weights (or dried beans or rice) and bake in a pre-heated 350ºF oven for 10 minutes. When done, remove parchment and bake the pie per the filling instructions.


Make sure to read over the posts for tips and tricks on how to make this oat flour crust.
We tested this with homemade oat flour made in a high-speed blender and do not recommend using this. We had much better results using store-bought (gluten-free) oat flour.
If you find that your pastry is on the wetter side, add in a bit more oat flour until it feels workable. Oat flour can be a bit tricky to measure out because sometimes it is densely packed in the container, and sometimes not. For a foolproof way to measure weigh it out instead of using a cup measurement.
The instructions for this oat flour crust are intended for a single crust pie, but you can feel free to double this recipe in use it for a double crust, or you can use it in other recipes calling for pie dough, like this Gluten Free Pigs in a Blanket (Nut-Free, too!) recipe.