Iced Oatmeal Cookies Recipe: A Classic Holiday Treat

Iced Oatmeal Cookies are the ultimate nostalgic holiday treat. This easy oatmeal cookie recipe yields chewy, spiced cookies with a crisp vanilla icing, perfect for your Christmas dessert ideas.

LIVE PREVIEW
3455 COOKING NOW
LOVED BY 10.000+ HOME COOKS
JUMP TO
RECIPE
0 Recipes in your Plan
View

There’s a certain magic in baking that always takes me back to my grandmother’s kitchen—the scent of warm spices, the promise of something sweet cooling on the rack. For me, these iced oatmeal cookies capture that feeling perfectly. With their wonderfully chewy, spiced base and crisp vanilla icing, they’re my go-to comfort food, especially when I’m planning my holiday baking. If you’re browsing christmas cookies recipes or need simple, heartwarming christmas dessert ideas, this is the batch I always turn to.

I consider these the quintessential holiday treats. They’re the cookie I love to make when dreaming up christmas baking ideas, because filling the house with the aroma of christmas sweets is half the joy. Whether you’re leaving them out for Santa or sharing them at a gathering, they’re a beloved staple for any assortment of holiday cookies this season. So, if you’re searching for inspired christmas baking ideas or just want to create a platter of memorable christmas sweets, these iced oatmeal cookies are a timeless, heartwarming answer.

Nothing beats a great Iced Oatmeal Cookies. Whether you're a fan of Christmas Cookie or want to try something from our Desserts selection, keep scrolling!

Why You’ll Love This Iced Oatmeal Cookies

  • Perfect texture: Soft and chewy with a bit of crispness around the edges.
  • Sweet-and-spicy flavor: Warm cinnamon and nutmeg pair with sweet vanilla icing.
  • Surprisingly simple: A straightforward, one-bowl, mix-and-scoop recipe.
  • Professionally made look: Charming white icing drizzle gives a bakery-style finish.

Ingredients & Tools

  • 115 g unsalted butter, softened
  • 100 g granulated sugar
  • 110 g light brown sugar, packed
  • 1 large egg, at room temperature
  • 1 tsp vanilla extract
  • 120 g all-purpose flour
  • ½ tsp baking soda
  • ½ tsp ground cinnamon
  • ¼ tsp ground nutmeg
  • ¼ tsp salt
  • 160 g old-fashioned rolled oats
  • 120 g powdered sugar, for the icing
  • 1-2 tbsp milk or cream, for the icing
  • ½ tsp vanilla extract, for the icing

Tools: A large mixing bowl, a hand mixer or a sturdy whisk, measuring cups and spoons, a baking sheet, parchment paper, and a small bowl for the icing.

Notes: Using a combination of granulated and brown sugar is key for that perfect chew and a hint of molasses flavor. And please, use old-fashioned rolled oats, not quick-cooking. They give the cookie its signature hearty texture.

Nutrition (per serving)

Calories: 180 kcal
Protein: 2 g
Fat: 6 g
Carbs: 30 g
Fiber: 1 g

Serves: 18 | Prep Time: 20 mins | Cook Time: 10-12 mins | Total Time: 45 mins (plus cooling)

Before You Start: Tips & Ingredient Notes

  • Soften that butter properly. This is the secret to a perfectly textured cookie. Your butter should be cool to the touch but yield easily when you press it. If it’s melty and greasy, your cookies will spread too much.
  • Why room temperature eggs? A cold egg can cause the softened butter to seize up a little, making it harder to cream properly and incorporate air. This can affect the cookie’s rise and texture.
  • Don’t skip the spice toast. Toasting the rolled oats for just 5-7 minutes in a dry skillet before adding them to the dough can unlock an incredible nutty flavor that takes these cookies to a whole new level.
  • Pack that brown sugar. When measuring your brown sugar, really press it into the measuring cup. This ensures you get the correct amount of moisture and molasses flavor, which is crucial for that soft, chewy result.

How to Make Iced Oatmeal Cookies

Step 1: First, preheat your oven to 350°F (175°C) and line your baking sheets with parchment paper. In your large mixing bowl, combine the softened butter, granulated sugar, and packed light brown sugar. Using a hand mixer (or a lot of elbow grease with a whisk), beat them together on medium speed for about 1-2 minutes. You’re not looking for fluffy, just for it to be well-combined and smooth. You’ll notice the mixture lighten in color just a little bit.

Step 2: Now, add in the room-temperature egg and the teaspoon of vanilla extract. Beat again until everything is fully incorporated, scraping down the sides of the bowl as needed. The mixture might look a little curdled at first, but just keep mixing—it will come together into a smooth, pale mixture.

Step 3: It’s time for the dry ingredients. Sprinkle the flour, baking soda, cinnamon, nutmeg, and salt right on top of the wet mixture. I like to give the dry ingredients a quick stir with a fork on top of the wet ones before I start mixing—this helps prevent a big puff of flour in your face! Mix on low speed until the flour is just barely incorporated. You don’t want to overmix here.

Step 4: Finally, switch to a sturdy spatula or wooden spoon and fold in the old-fashioned rolled oats. Mix until no dry pockets of oats remain. The dough will be quite thick and a little sticky—that’s exactly what you want. It should hold together easily when you scoop it.

Step 5: Using a cookie scoop or a tablespoon, portion out the dough into roughly 1.5-tablespoon mounds. Roll them gently between your palms to form balls, and place them about 2 inches apart on your prepared baking sheet. They don’t need to be perfectly smooth. Bake for 10-12 minutes. The edges will be lightly golden, and the centers will still look a little soft and puffy.

Step 6: This part is important—let the cookies cool on the baking sheet for 5 full minutes before transferring them to a wire rack to cool completely. They are very soft straight out of the oven and need this time to set. If you try to move them too soon, they might break.

Step 7: While the cookies are cooling, make the simple icing. In a small bowl, whisk together the powdered sugar, 1 tablespoon of milk or cream, and the ½ teaspoon of vanilla extract. You’re aiming for a thick but pourable consistency. If it’s too thick, add more liquid a few drops at a time. If it’s too thin, add a little more powdered sugar.

Step 8: Once the cookies are completely cool to the touch, it’s time to ice them. You can use a spoon to drizzle the icing back and forth, or for more control, put the icing in a small zip-top bag, snip a tiny corner off, and pipe it on. Let the icing set for at least 30 minutes before stacking or storing. And then… enjoy!

Storage & Freshness Guide

  • Fridge: Not recommended; store at room temperature for best texture.
  • Freezer: Freeze un-iced cookies in a single layer, then transfer to an airtight bag for up to 3 months.
  • Reviving: Warm frozen cookies in a 300°F oven for 5 minutes to refresh crispness.

Serving Suggestions

Complementary Dishes

  • A simple fruit platter — The fresh, bright acidity of apples, pears, or berries provides a lovely counterpoint to the sweet, spiced cookies and makes the whole spread feel a bit more balanced.
  • A sharp cheddar cheese board — This might sound strange, but trust me, the classic combination of sharp cheese and sweet, oaty goodness is a match made in snacking heaven. The saltiness cuts through the sweetness perfectly.

Drinks

  • A tall glass of cold milk — It’s the ultimate, non-negotiable pairing for a reason. The creamy, cool milk is the perfect partner for dunking and washing down each delicious bite.
  • Hot chai tea or coffee — The warm spices in a cup of chai or the robust bitterness of coffee echo the cinnamon and nutmeg in the cookies, creating a wonderfully cozy and aromatic experience.

Something Sweet

  • Vanilla bean ice cream — Crumble a cookie or two over a scoop of high-quality vanilla ice cream. You get hot-cold, soft-crunchy, creamy-spiced textures all in one bowl. It’s honestly a next-level dessert.
  • A warm apple crisp — Serve a cookie on the side of a bowl of apple crisp. The similar oat-and-spice profiles work in harmony, but the different textures—soft baked apples versus chewy cookie—keep it interesting.

Top Mistakes to Avoid

  • Mistake: Using melted butter. This is the number one reason cookies spread into thin, flat puddles. Softened butter creams with the sugar to create tiny air pockets that help the cookie rise. Melted butter skips this step entirely.
  • Mistake: Overmixing the dough after adding the flour. Once the flour is incorporated, stop mixing! Overworking the dough develops the gluten in the flour, which can lead to tough, dense cookies instead of tender, chewy ones.
  • Mistake: Icing warm cookies. If you try to put that beautiful glaze on a cookie that’s even slightly warm, it will instantly melt, become translucent, and soak right into the cookie. It will still taste good, but you’ll lose that lovely white, crackly finish.
  • Mistake: Baking on a hot baking sheet. Always allow your baking sheet to cool completely before putting a new batch of dough on it. A hot pan will cause the butter in the dough to start melting before it even hits the oven, leading to excessive spreading.

Expert Tips

  • Tip: Chill the dough if your kitchen is warm. If you find your dough is overly soft or your cookies are spreading more than you’d like, just pop the bowl of dough in the fridge for 20-30 minutes before scooping and baking. This re-solidifies the butter and fixes the issue.
  • Tip: Add a pinch of salt to your icing. Just a tiny pinch of salt in the powdered sugar glaze will make the vanilla flavor pop and keep the icing from tasting one-dimensionally sweet. It’s a tiny step with a big impact.
  • Tip: For a more rustic look, don’t roll the dough balls. Instead of rolling the scooped dough into perfect spheres, just drop them in rough mounds onto the baking sheet. This gives you craggier edges and a more artisanal, homemade appearance.
  • Tip: Use an ice cream scoop for uniformity. For cookies that are all the exact same size (which also means they bake evenly), a small ice cream or cookie scoop is your best friend. It makes the process faster and cleaner, too.

FAQs

Can I use quick oats instead of old-fashioned rolled oats?
I really don’t recommend it for this recipe. Quick oats are cut smaller and pre-steamed, so they absorb moisture differently and break down more during mixing and baking. This will result in a cookie with less texture—it’ll be more cake-like and less chewy. The hearty bite from the old-fashioned oats is a key part of the experience!

How do I store these cookies so the icing doesn’t get sticky?
The key is an airtight container. Once the icing has fully set, place the cookies in a single layer in a container, separating layers with parchment paper. You can store them at room temperature for up to 5 days. If your kitchen is very humid, a single silica gel packet placed in the container (not touching the cookies) can help absorb excess moisture.

My cookies came out flat. What happened?
This is almost always a butter or baking soda issue. First, double-check that your butter was softened, not melted. Second, make sure your baking soda is fresh—it loses its potency over time. To test it, sprinkle a little in some vinegar; if it doesn’t bubble vigorously, it’s time for a new box.

Can I freeze the cookie dough?
Absolutely! Scoop the dough balls onto a parchment-lined baking sheet and freeze them solid. Then, transfer the frozen dough balls to a zip-top freezer bag. You can bake them straight from the freezer, just add 1-2 minutes to the baking time. This is a fantastic way to have fresh, warm cookies anytime.

Why is my icing too runny or too thick?
Icing consistency is all about the liquid-to-powdered-sugar ratio. If it’s too runny, whisk in more powdered sugar a tablespoon at a time. If it’s too thick and gloopy, add more liquid—but only a few drops at a time! It’s much easier to thin a thick icing than to thicken a runny one. You’re aiming for a texture that slowly drips off the whisk.

Iced Oatmeal Cookies Recipe: A Classic Holiday Treat

Iced Oatmeal Cookies Recipe: A Classic Holiday Treat

Recipe Information
Cost Level $
Category Christmas Cookies
Difficulty Medium
Cuisine American, dessert
Recipe Details
Servings 18
Total Time 45 minutes
Recipe Controls
LOVED BY 2000+ HOME COOKS
PIN TO
PINTEREST

Iced Oatmeal Cookies are the ultimate nostalgic holiday treat. This easy oatmeal cookie recipe yields chewy, spiced cookies with a crisp vanilla icing, perfect for your Christmas dessert ideas.

Ingredients

For the cookie dough:

For the icing:

Instructions

  1. First, preheat your oven to 350°F (175°C) and line your baking sheets with parchment paper. In your large mixing bowl, combine the softened butter, granulated sugar, and packed light brown sugar. Using a hand mixer (or a lot of elbow grease with a whisk), beat them together on medium speed for about 1-2 minutes. You’re not looking for fluffy, just for it to be well-combined and smooth. You’ll notice the mixture lighten in color just a little bit.
  2. Now, add in the room-temperature egg and the teaspoon of vanilla extract. Beat again until everything is fully incorporated, scraping down the sides of the bowl as needed. The mixture might look a little curdled at first, but just keep mixing—it will come together into a smooth, pale mixture.
  3. It’s time for the dry ingredients. Sprinkle the flour, baking soda, cinnamon, nutmeg, and salt right on top of the wet mixture. I like to give the dry ingredients a quick stir with a fork on top of the wet ones before I start mixing—this helps prevent a big puff of flour in your face! Mix on low speed until the flour is just barely incorporated. You don't want to overmix here.
  4. Finally, switch to a sturdy spatula or wooden spoon and fold in the old-fashioned rolled oats. Mix until no dry pockets of oats remain. The dough will be quite thick and a little sticky—that’s exactly what you want. It should hold together easily when you scoop it.
  5. Using a cookie scoop or a tablespoon, portion out the dough into roughly 1.5-tablespoon mounds. Roll them gently between your palms to form balls, and place them about 2 inches apart on your prepared baking sheet. They don’t need to be perfectly smooth. Bake for 10-12 minutes. The edges will be lightly golden, and the centers will still look a little soft and puffy.
  6. This part is important—let the cookies cool on the baking sheet for 5 full minutes before transferring them to a wire rack to cool completely. They are very soft straight out of the oven and need this time to set. If you try to move them too soon, they might break.
  7. While the cookies are cooling, make the simple icing. In a small bowl, whisk together the powdered sugar, 1 tablespoon of milk or cream, and the ½ teaspoon of vanilla extract. You’re aiming for a thick but pourable consistency. If it’s too thick, add more liquid a few drops at a time. If it’s too thin, add a little more powdered sugar.
  8. Once the cookies are completely cool to the touch, it’s time to ice them. You can use a spoon to drizzle the icing back and forth, or for more control, put the icing in a small zip-top bag, snip a tiny corner off, and pipe it on. Let the icing set for at least 30 minutes before stacking or storing. And then… enjoy!

Chef's Notes

  • Using a combination of granulated and brown sugar is key for that perfect chew and a hint of molasses flavor. And please, use old-fashioned rolled oats, not quick-cooking. They give the cookie its signature hearty texture.
  • Freeze un-iced cookies in a single layer, then transfer to an airtight bag for up to 3 months.

Not what you're looking for?

Or discover more recipes in Christmas Cookie

Tags