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Iced Oatmeal Cookies

These old-fashioned Iced Oatmeal Cookies are soft, chewy, and coated in a sweet vanilla icing. This recipe is flourless, gluten free, and packed with cozy spices.
Prep Time20 mins
Cook Time10 mins
Total Time30 mins
Course: Dessert
Cuisine: American
Keyword: frosted cookie, iced cookies, old fashioned cookie
Servings: 16 cookies
Calories: 229kcal
Author: Jennifer Debth



  • 1/2 cup unsalted butter cold and cubed
  • 3/4 cup dark brown sugar packed
  • 1 tablespoon vanilla extract
  • 1 tablespoon molasses
  • 1 large egg cold
  • 2 cups old fashioned oats ground in food processor until it resembles flour (certified GF if necessary)
  • 1 1/2 cups old fashioned oats left whole (certified GF if necessary)
  • 1 teaspoon cinnamon
  • 1/4 teaspoon nutmeg
  • 1/4 teaspoon cloves
  • 1/2 teaspoon salt
  • 1/2 teaspoon baking soda


  • 2 cups powdered sugar sifted
  • 1/2 teaspoon salt
  • 3 tablespoons milk
  • 1 teaspoon vanilla extract



  • Preheat oven to 350 degrees F and line 2 baking sheets with silicone mats.
  • In your stand mixer, beat butter and brown sugar together until fluffy — this may take a few minutes because the butter is cold.

  • Beat in vanilla, molasses, and egg.
  • Add ground oats, whole oats, cinnamon, nutmeg, cloves, salt, and baking soda, then mix until well combined.
  • Use a large cookie scoop to scoop out 16 dough balls — place 8 onto each prepared baking sheet.*
  • Bake in preheated oven to 10-12 minutes, or until golden brown.
  • Remove from oven, then allow the cookies to cool on the baking sheet for 5 minutes before transferring them to a wire cooling rack to cool completely before icing.
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  • Place powered sugar, salt, milk, and vanilla into a medium sized bowl then whisk until smooth.
  • Dunk the tops of the completely cooled cookies into the icing.
  • Place back onto the wire cooling rack to allow the icing to set.
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*While the first sheet is baking, place the 2nd sheet in the fridge.


Serving: 1cookie | Calories: 229kcal | Carbohydrates: 38g | Protein: 3g | Fat: 7g | Saturated Fat: 4g | Trans Fat: 1g | Cholesterol: 27mg | Sodium: 191mg | Potassium: 109mg | Fiber: 2g | Sugar: 26g | Vitamin A: 199IU | Vitamin C: 1mg | Calcium: 29mg | Iron: 1mg