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How to Make Cahokia Rice Flour Oatmeal Cookies

Thanks to America’s Test Kitchen’s book: “The How Can It Be Gluten Free Cookbook” which formed the basis for this recipe. The cookbook suggests a choice of two commercial gluten-free blends, but I wanted to see if we could make a just-as-good oatmeal raisin cookie using just Cahokia Brown Rice flour. I hate to brag, but I think it worked.

Cahokia Rice - Flour Oatmeal Cookies


  • 3 Cups of good quality rolled oats
  • 1 Cup of warm water
  • 2 large eggs
  • 2 tablespoons melted butter
  • 1 & 1/3 cups Cahokia Brown Rice Flour
  • 1 tablespoon Xanthan Gum
  • ½ teaspoon salt
  • 1 teaspoon baking powder
  • ½ teaspoon nutmeg
  • 1 cup packed brown sugar
  • ½ cup granulated sugar
  • 7 tablespoons butter, melted and cooled slightly
  • 1 large egg, plus 1 large yolk
  • 2 tablespoons vegetable oil
  • 1 teaspoon vanilla extract
  • 1 & ½ cup good quality baking raisins
  • (a friend who is an excellent baker suggested some cinnamon. We will try it next time and see if we can make these dairy free as well)


  1. Combine the oats and the warm water and let the oats soak for ten minutes. The oats need to hydrate before baking.
  2. Combine the dry ingredients, Cahokia Brown Rice Flour, xanthum, nutmeg, baking powder, salt, into a bowl and whisk.
  3. Whisk the brown and granulated sugar, melted butter, egg and yolk, oil, and vanilla, in a large bowl until smooth. Using a spatula stir in the flour mixture, the oat-water mixture, until you have a soft smooth dough. Fold in the raisins.
  4. Cover the dough, and let it rest for at least 30 minutes.
  5. Make sure the oven racks are in the center. Heat the oven to 325° F. Line a baking sheet with parchment paper. Use a tablespoon to scoop the dough out of the mixing bowl. Roll into a ball and place onto the baking sheet about two inches apart. Press the dough balls down to ½ inch thickness. Bake one sheet at a time 22 to 25 minutes rotating the sheets halfway through baking.
  6. Let the cookies cool on the sheet for 5 minutes, then transfer to a wire cooling rack. Where can you get Cahokia Brown Rice Flour? I took a bag of 2 pound Cahokia Rice and put it thru a grain grinder. If you don't have a grain grinder, Cahokia Brown Rice Flour will be available on our website soon.