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Iced Oatmeal Cookies - Crumbl Copycat Recipe

Published: Oct 6, 2025 · Modified: Nov 27, 2025 by Diane · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 4.2 from 60 reviews

If you have a soft spot for warm, chewy treats with a delightful twist, then these Iced Oatmeal Cookies - Crumbl Copycat Recipe are about to become your new obsession. Packed with hearty oats and a perfect blend of spices, these cookies are luxuriously soft with just the right amount of gooey sweetness under that irresistible vanilla glaze. Whether you're craving a cozy afternoon snack or treating guests, this recipe captures the magic of a favorite bakery classic with easy-to-find ingredients and simple steps that will make you feel like a pro baker in no time.

Ingredients You'll Need

Iced Oatmeal Cookies - Crumbl Copycat Recipe

The beauty of this recipe lies in its uncomplicated, pantry-friendly ingredients that each play a vital role in giving these cookies their signature texture and flavor. From the creamy butter that adds richness, to the blend of brown and granulated sugars that balance moisture and sweetness, every component brings something special to the cookie table.

  • Butter (½ cup, softened): Provides moisture and a tender crumb while enhancing flavor.
  • Brown sugar (⅓ cup): Adds a subtle molasses depth and keeps cookies soft.
  • Granulated sugar (¼ cup): Contributes to crisp edges and balanced sweetness.
  • Vanilla extract (1 tbsp): Infuses the dough with a warm, aromatic sweetness.
  • Egg (1, room temperature): Binds ingredients and creates a fluffy texture.
  • Old fashioned whole rolled oats (1 ¼ cups): Adds chewiness and a hearty bite.
  • All-purpose flour (1 cup): Forms the cookie’s structure for just the right chew.
  • Cinnamon (¼ tsp): Brings a cozy, spiced note that pairs beautifully with oats.
  • Nutmeg (pinch): Adds a subtle warmth and depth of flavor.
  • Baking soda (½ tsp): Helps cookies rise and become soft.
  • Salt (¼ tsp): Enhances all the sweet flavors beautifully.
  • Powdered sugar (¾ cup): The base for the irresistible vanilla glaze.
  • Milk (1.5 tablespoon for glaze + extra as needed): Helps achieve the perfect glaze consistency.
  • Vanilla extract (¼ teaspoon for glaze): Complements the glaze with gentle sweetness.

How to Make Iced Oatmeal Cookies - Crumbl Copycat Recipe

Step 1: Prepare Your Oven and Baking Sheet

Preheat your oven to 350 degrees Fahrenheit and line a baking sheet with parchment paper to ensure the cookies bake evenly and come off easily once done. This foundational step sets you up for perfect baking success every time.

Step 2: Cream Butter and Sugars

In a mixing bowl, cream together the softened butter, brown sugar, and granulated sugar until the mixture is smooth and combined. This process incorporates air for lightness, giving your cookies that soft, fluffy texture you’ll love.

Step 3: Add Egg and Vanilla

Beat in the egg and vanilla extract until the batter turns light and fluffy. This step not only enhances flavor but also helps with the rising and binding of the dough.

Step 4: Mix Dry Ingredients

In a separate bowl, combine the all-purpose flour, old fashioned oats, cinnamon, nutmeg, baking soda, and salt. Gradually fold these into your wet mixture, scraping down the sides to make sure everything is fully incorporated. This mix ensures that each cookie has a chewy texture and warm, cozy flavor.

Step 5: Shape and Bake

Using a large cookie scooper, portion out 8 equal dough balls onto your prepared baking sheet. Gently press them down to about one inch thickness—this helps them bake evenly and remain soft. Bake for 10 minutes, keeping a close eye to avoid overbaking so your cookies stay that perfect gooey softness.

Step 6: Cool Before Glazing

Once baked, allow the cookies to cool on the baking sheet for at least 20 minutes before transferring them to a wire rack to cool completely. Cooling is crucial so the glaze will set properly without melting away.

Step 7: Prepare the Vanilla Glaze

Whisk together powdered sugar, 1 tablespoon of milk, and vanilla extract in a medium bowl until smooth, thick, and creamy but still thin enough to dip the cookies. If the glaze feels too thick, add milk a teaspoon at a time to reach the perfect consistency.

Step 8: Ice the Cookies

Dip the tops of your cooled cookies into the glaze and place them back on the wire rack. Let the glaze set fully before indulging so you get that luscious, glossy vanilla finish that makes these Iced Oatmeal Cookies - Crumbl Copycat Recipe truly shine.

How to Serve Iced Oatmeal Cookies - Crumbl Copycat Recipe

The image shows six round cookies on a metal cooling rack, each topped with a smooth, white icing layer covering the rough, brown cookie base. The cookies have a slightly cracked texture under the icing, giving a homemade, fresh-baked look. The cooling rack sits on a white marbled surface, adding a clean and elegant background to the warm, soft colors of the cookies. The close-up view highlights the icing's soft shine and the crumbly cookie edges. photo taken with an iphone --ar 4:5 --v 7

Garnishes

For a pretty presentation and added texture, sprinkle a pinch of cinnamon or finely chopped nuts over the glaze before it sets. A light dusting of rolled oats on top also amps up the oatmeal vibe and makes the cookies even more inviting.

Side Dishes

These cookies pair wonderfully with a cold glass of milk or a warm mug of chai tea. The spicy notes in chai complement the cinnamon and nutmeg perfectly, creating a cozy pairing that will have everyone asking for seconds.

Creative Ways to Present

Serve these cookies stacked with a scoop of vanilla ice cream in between for a delicious oatmeal cookie ice cream sandwich. You can also drizzle leftover glaze artistically on your serving platter for an elegant touch that shows off your baking skills.

Make Ahead and Storage

Storing Leftovers

Keep leftover cookies in an airtight container at room temperature for up to 3 days. This maintains their soft, chewy texture while keeping the glaze intact. If your kitchen is warm, storing them in the fridge can help, but let them come to room temperature before eating.

Freezing

For longer storage, freeze the baked and cooled cookies in a single layer on a baking sheet, then transfer to a freezer-safe container or bag. They’ll keep beautifully for up to 3 months. To defrost, simply leave them at room temperature or gently warm in the oven.

Reheating

Reheat cookies briefly in a 300-degree Fahrenheit oven for 5 minutes to revive that freshly baked softness. Avoid microwaving as it can make the texture rubbery or melt the glaze.

FAQs

Can I substitute quick oats for old fashioned oats?

While quick oats can work in a pinch, old fashioned rolled oats provide better texture and chewiness, which is essential for authentic Iced Oatmeal Cookies - Crumbl Copycat Recipe.

What if I don’t have nutmeg?

If you’re out of nutmeg, you can omit it or substitute with a tiny pinch of cloves or allspice, but nutmeg adds a unique warmth that complements the cinnamon beautifully.

How thick should the glaze be?

The glaze needs to be thick enough to coat the cookies without dripping off but thin enough to dip the cookies in easily. Adjust by adding milk one teaspoon at a time until it reaches this balance.

Why do I need to let the cookies cool before glazing?

Allowing cookies to cool prevents the glaze from melting and running off, ensuring a beautiful, glossy coating that sets properly for that signature Crumbl look.

Can I make these cookies vegan?

To make a vegan version, swap butter with a plant-based alternative and use a flax or chia egg in place of the regular egg. The texture may vary slightly but still delicious!

Final Thoughts

There’s something truly comforting about whipping up a batch of these Iced Oatmeal Cookies - Crumbl Copycat Recipe. With every bite offering chewy oats, cozy spices, and that dreamy vanilla glaze, you’re in for a real treat. Whether it’s for a casual snack or a crowd-pleasing dessert, this recipe is straightforward, fun, and utterly scrumptious—so don’t wait to give it a try and make your cookie dreams come true!

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Iced Oatmeal Cookies - Crumbl Copycat Recipe

Iced Oatmeal Cookies - Crumbl Copycat Recipe


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

4.2 from 60 reviews

  • Author: Diane
  • Total Time: 30 minutes
  • Yield: 8 cookies
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Description

These Iced Oatmeal Cookies are a delicious Crumbl copycat recipe featuring soft, gooey oatmeal cookies topped with a sweet vanilla glaze. Combining warm spices like cinnamon and nutmeg with rolled oats and a creamy butter base, these cookies are perfect for anyone craving a comforting, classic treat with a delightful glaze finish.


Ingredients

Cookie Dough

  • ½ cup butter (softened)
  • ⅓ cup brown sugar
  • ¼ cup granulated sugar
  • 1 tbsp vanilla extract
  • 1 egg (at room temperature)
  • 1 ¼ cup old fashioned whole rolled oats
  • 1 cup all-purpose flour
  • ¼ tsp cinnamon
  • Pinch of nutmeg
  • ½ tsp baking soda
  • ¼ tsp salt

Vanilla Glaze

  • ¾ cup powdered sugar
  • 1.5 tbsp milk (divided)
  • ¼ tsp vanilla extract


Instructions

  1. Preheat Oven and Prepare Baking Sheet: Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper. Set it aside for the cookies.
  2. Cream Butter and Sugars: In a mixing bowl, cream together the softened butter, brown sugar, and granulated sugar until the mixture is well combined and fluffy. Add the egg and vanilla extract, mixing until light and airy.
  3. Combine Dry Ingredients: Gradually add the all-purpose flour, rolled oats, cinnamon, nutmeg, baking soda, and salt to the wet ingredients. Mix thoroughly, scraping the bowl sides, until a uniform dough forms.
  4. Shape and Bake Cookies: Using a large cookie scoop, divide the dough into 8 equal portions and place them onto the prepared baking sheet. Gently press each dough ball to about 1 inch thickness. Bake in the preheated oven for 10 minutes, taking care not to overbake, to keep the cookies soft and gooey.
  5. Cool Cookies: Allow the cookies to cool on the baking sheet for 20 minutes before transferring them to a cooling rack to cool completely.
  6. Prepare the Vanilla Glaze: In a medium bowl, whisk together the powdered sugar, 1 tablespoon of milk, and vanilla extract until smooth and creamy. Adjust the consistency by adding 1 teaspoon of milk at a time if the glaze is too thick.
  7. Glaze the Cookies: Dip the top of each cooled cookie into the vanilla glaze, then place them back onto the cooling rack. Let the glaze set fully before serving and enjoying your iced oatmeal cookies.

Notes

  • Ensure the egg is at room temperature for better mixing and fluffiness.
  • Do not overbake the cookies; they should remain soft and chewy.
  • If glaze is too thick, add milk gradually to achieve perfect dipping consistency.
  • Store cookies in an airtight container to keep them fresh.
  • For a dairy-free alternative, substitute butter and milk with plant-based options.
  • Prep Time: 10 minutes
  • Cook Time: 10 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

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Hi there! I’m so happy you’re here. Welcome to Eat With Diane a space where I share recipes that are simple, delicious, and filled with love to bring joy to your table.

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