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Iced Oatmeal Cookie Bars (gluten-free + dairy-free)

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These Iced Oatmeal Cookie Bars are my take on “Mothers” iced oatmeal cookies” that they no longer make. This version is in bar form and made with gluten-free and dairy-free ingredients.

  • Prep Time: 5 mins
  • Cook Time: 15 mins
  • Total Time: 20 mins

Yield: 8 bars 1x

Ingredients

Scale

Cookie bars:

  • 1 egg
  • 1/2 cup coconut oil, solidified (or use butter)
  • 1/4 cup coconut sugar
  • 1 tablespoon molasses
  • 1 teaspoon vanilla extract
  • 1 1/2 cup gluten-free rolled aots
  • 3/4 cup gluten-free oat flour
  • 1/4 cup tapioca flour or arrowroot flour
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1 teaspoon cinnamon

Icing/glaze:

  • 1/2 cup powdered sugar
  • 1 tablespoon non-milk (or more as needed)
  • 1/2 teaspoon vanilla extract

Instructions

  1. Preheat oven to 350 degrees F and grease a loaf pan (I use a silicone one so I don’t need to line it)
  2. Cream together egg, coconut oil, coconut sugar, molasses, vanilla extract until combined
  3. Mix in oats, oat flour, baking powder, baking soda and cinnamon until fully combined
  4. Add the cookie batter to the loaf pan and press down firmly
  5. Add to oven to bake for about 15 minutes or until edges are golden
  6. Allow the cookie are to cool and make the glaze
  7. Whisk together the glaze ingredients and once cookie bars are cooled, gently remove from loaf pan and pour glaze on top
  8. Slice into bars and enjoy!

Notes

*Store in airtight container for 3 to 5 days or freezer for 2 months

  • Author: Rachel

© 2025 rachLmansfield
https://rachlmansfield.com/iced-oatmeal-cookie-bars-gluten-free-dairy-free/