Iced Oatmeal Cookies

The final dish
As seen on
Sally’s
Total Time
2 hours
Prep Time
1 hour, 25 minutes
Cook Time
12 minutes
Rating
4.9 out of 5 stars
(148)

Ingredients

28 cookies
  • 2 cups (170g) old-fashioned whole rolled oats
  • 2 cups (250g) all-purpose flour (spooned & leveled)
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 1 and 1/2 teaspoons ground cinnamon
  • 1/2 teaspoon ground nutmeg
  • 1 cup (16 Tbsp; 226g) unsalted butter, softened to room temperature
  • 1 cup (200g) packed light or dark brown sugar
  • 1/2 cup (100g) granulated sugar
  • 2 large eggs, at room temperature
  • 1 Tablespoon (15ml) unsulphured or dark molasses (do not use blackstrap; I prefer Grandma’s brand)
  • 2 teaspoons pure vanilla extract
  • 1 and 1/2 cups (180g) sifted confectioners’ sugar
  • 1/4 teaspoon pure vanilla extract
  • 1.5 – 2 Tablespoons milk
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Preparation

Chef’s notes

Make Ahead & Freezing Instructions:
You can make the cookie dough and chill it in the refrigerator for up to 4 days. Allow to come to room temperature then continue with step 5. Baked cookies with or without icing freeze well for up to 3 months. Unbaked cookie dough balls freeze well for up to 3 months. Bake frozen cookie dough balls for an extra minute, no need to thaw.
Special Tools (affiliate links):
Food Processor | Glass Mixing Bowl | Whisk | Electric Mixer (Handheld or Stand) | Baking Sheets | Silicone Baking Mats or Parchment Paper | Medium Cookie Scoop | Cooling Rack
Oats:
Pulsing the oats in step 1 is the trick to this recipe. If you don’t have a food processor, use a blender. Even if you’re using quick oats, pulsing the oats is necessary—you just won’t have to pulse them as much as whole oats.
Molasses:
1 Tablespoon of molasses helps give these cookies incredible flavor. Be sure to use unsulphured or dark molasses (do not use blackstrap; I prefer Grandma’s brand). If you don’t have any, use pure maple syrup instead.
Confectioners’ Sugar:
Sift confectioners’ sugar before measuring.
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