4.8 from 40 votes

Iced Oatmeal Cookies

Rachel AnneRecipe By Rachel Anne |Updated 2025-08-25 |9 Comments
Iced Oatmeal Cookies
Photo of Iced Oatmeal Cookies - finished dish

Iced Oatmeal Cookies

PREP20 min
COOK24 min

These Iced Oatmeal Cookies are crisp at the edges, chewy inside, and crowned with a vanilla glaze. Easy, nostalgic, and perfect for lunchboxes or holidays.

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24SERVINGS

Ingredients

Instructions

  1. 1
    Preheat oven to 350 F and line 2 baking sheets with parchment.
  2. 2
    Pulse 1 cup of the rolled oats in a food processor 8 to 10 times until coarsely ground. Leave 1 cup oats whole.
  3. 3
    Beat 3/4 cup butter with brown sugar and granulated sugar for 2 to 3 minutes until fluffy. Beat in egg, egg yolk, and vanilla.
  4. 4
    Whisk flour, baking soda, baking powder, salt, cinnamon, and nutmeg. Add to the butter mixture and mix on low just until combined. Fold in both oats.
  5. 5
    Chill dough 20 to 30 minutes.
  6. 6
    Scoop 2 tablespoon portions, space 2 inches apart, and gently flatten. Bake 11 to 13 minutes until edges are set and lightly golden.
  7. 7
    Cool 5 minutes on the sheet, then transfer to a rack to cool completely.
  8. 8
    Whisk powdered sugar, milk, vanilla, and salt into a thick glaze. Dip cookie tops, let excess drip, then set on a rack until dry, 20 to 30 minutes.

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