Name: The Best Crumbl Iced Oatmeal Cookies Recipe
Prep time: 15 min
Cook time: 10 min
Total time: 45 min
Cuisine: American
Ingredients: 1/2 cup butter, softened; 1/3 cup brown sugar; 1/4 cup granulated sugar; 1 tbsp vanilla extract; 1 egg, at room temperature; 1 1/4 cup old fashioned whole rolled oats; 1 cup all-purpose flour; 1/4 tsp cinnamon; Pinch of nutmeg; 1/2 tsp baking soda; 1/4 tsp salt; 3/4 cup powdered sugar; 1.5 tbsp milk; 1/4 tsp vanilla extract

Jump to Recipe· 4.3 from 79 reviews

The Best Crumbl Iced Oatmeal Cookies Recipe is a delightful treat that combines soft, chewy oats with a luscious vanilla glaze that perfectly balances sweetness and warmth. These cookies are a true crowd-pleaser, bringing an irresistible texture and flavor that feels both nostalgic and fresh. Whether you’re baking for a special occasion or simply craving a cozy, comforting snack, this recipe infuses every bite with love and a touch of magic that will have you coming back for more.

Ingredients You’ll Need

The image shows eight white bowls arranged on a white marbled surface, each holding different baking ingredients. In the top left, a small white bowl holds dark brown sugar mixed with lighter granulated sugar. To the right, a larger white bowl contains old-fashioned oats, showing their pale beige color and rough texture. Below the oats, there is an empty white bowl. Towards the center left, a small white bowl holds light brown vanilla extract with a smooth surface. Below that, another small bowl contains a warm brown mix of cinnamon and nutmeg. In the center, a medium white bowl holds a single raw egg with a bright yellow yolk surrounded by clear egg white. Below and to the right, a small white bowl has solid yellow butter in small blocks. On the bottom left, a large white bowl contains white flour mixed with baking soda and salt, showing a fine powder texture. Finally, near the bottom right, a small bowl holds white powdered sugar with a soft, fine texture. The bowls are evenly spaced in an organized way. Photo taken with an iphone --ar 4:5 --v 7

Gathering a few simple, pantry-friendly ingredients is all it takes to create these unforgettable cookies. Each component plays a key role in building the perfect texture, moisture, and flavor that define The Best Crumbl Iced Oatmeal Cookies Recipe.

1/2 cup butter, softened: Provides richness and helps achieve that melt-in-your-mouth softness.

1/3 cup brown sugar: Adds a hint of molasses flavor and moistness for chewy cookies.
1/4 cup granulated sugar: Balances sweetness and contributes to a subtle crisp outside.
1 tbsp vanilla extract: Infuses warmth and depth in both cookie and icing.

1 egg at room temperature: Binds ingredients and keeps cookies tender.
1 & 1/4 cup old fashioned whole rolled oats: Delivers chewy texture and wholesome heartiness.
1 cup all-purpose flour: The base that gives cookie structure and shape.

1/4 tsp cinnamon: Adds a cozy, spiced undertone that complements oats beautifully.
Pinch of nutmeg: Enhances warm spice notes for a nuanced flavor profile.
1/2 tsp baking soda: Provides gentle leavening to keep cookies soft but not dense.

1/4 tsp salt: Balances sweetness and enhances all flavors.
For the icing: 3/4 cup powdered sugar, 1.5 tbsp milk, and 1/4 tsp vanilla; these ingredients create a creamy vanilla glaze that crowns each cookie with a sweet finishing touch.

How to Make The Best Crumbl Iced Oatmeal Cookies Recipe

Step 1: Prepare Your Workspace and Preheat the Oven

Start by preheating your oven to 350°F and lining a baking sheet with parchment paper. Having this done upfront means you’re ready to bake as soon as your dough is mixed, keeping the process smooth and stress-free.

Step 2: Cream Butter and Sugars

In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until the mixture looks light and fluffy. This step is key for that tender texture the Best Crumbl Iced Oatmeal Cookies Recipe is known for.

Step 3: Add Egg and Vanilla

Mix in a room-temperature egg and the vanilla extract until everything is combined well. These ingredients bring moisture and flavor depth to the dough, creating a luscious bite.

Step 4: Combine Dry Ingredients

In a separate bowl, whisk together the all-purpose flour, rolled oats, cinnamon, nutmeg, baking soda, and salt. Then gradually mix the dry ingredients into your wet mixture, remembering to scrape the sides of the bowl to ensure everything incorporates evenly.

Step 5: Shape and Bake

Use a large cookie scooper to portion out 8 equal-sized dough balls onto your prepared baking sheet. Gently press each ball down until about 1 inch thick to encourage even baking. Place them in the oven and bake for exactly 10 minutes — overbaking will rob these cookies of their signature soft and gooey center.

Step 6: Cool Your Cookies

After baking, allow the cookies to cool on the baking sheet for 20 minutes. Then transfer them to a cooling rack to cool completely before adding the glaze. This wait ensures your glaze doesn’t melt right off, keeping it perfectly intact.

Step 7: Whip Up the Vanilla Glaze

In a medium bowl, whisk together powdered sugar, 1 tablespoon of milk, and vanilla extract until smooth and creamy. If the glaze feels too thick to dip, add milk one teaspoon at a time until it reaches a luscious but dippable consistency.

Step 8: Dip and Set

Carefully dip the top of each cooled cookie into the vanilla glaze, then place them back on the rack to set. Allow the glaze to firm up fully before indulging for that wonderfully sweet finish.

How to Serve The Best Crumbl Iced Oatmeal Cookies Recipe

A close-up view of a woman's hand holding two halves of a soft cookie with a shiny light brown icing on top. The cookie itself has a rough, crumbly texture with a golden-brown color. In the background, there are slightly blurred whole cookies placed on a white marbled surface. The lighting is soft, highlighting the texture of the cookie and icing photo taken with an iphone --ar 4:5 --v 7

Garnishes

Consider sprinkling a tiny pinch of cinnamon or finely chopped toasted nuts over the glaze just before it sets. This adds an inviting aroma and subtle crunch that enhances the cozy flavors of the recipe.

Side Dishes

Pair these cookies with a cold glass of milk, a cup of hot tea, or even a warm latte. The creamy beverages complement the sweetness and give a well-rounded sensory experience.

Creative Ways to Present

Stack the iced oatmeal cookies in a neat tower tied with rustic twine for a charming gift or party display. Alternatively, serve them alongside a scoop of vanilla ice cream for an indulgent dessert that feels gourmet yet comforting.

Make Ahead and Storage

Storing Leftovers

Store leftover cookies in an airtight container at room temperature for up to 3 days. This keeps them soft and lets the glaze maintain its creamy texture without becoming sticky.

Freezing

You can freeze the baked cookies without glaze by wrapping them tightly in plastic wrap and placing in a freezer-safe bag for up to 2 months. When ready to enjoy, thaw at room temperature and add fresh glaze as desired.

Reheating

Warm cookies slightly in the microwave for about 10 seconds to revive that irresistible softness before serving. Avoid heating too long, which can dry the cookies out.

FAQs

Can I use quick oats instead of old fashioned oats?

Quick oats can work but will result in a softer, less textured cookie. The Best Crumbl Iced Oatmeal Cookies Recipe shines with the chewiness from rolled oats, so for the full effect, stick with old fashioned oats if possible.

What if my butter is too melted for the recipe?

Softened butter is best to cream properly. If your butter is too melted, the dough may become too runny and affect cookie texture. Chill the dough slightly before baking to help it hold shape better.

Can I make the cookies gluten-free?

Yes! Substitute the all-purpose flour for a gluten-free flour blend that measures cup-for-cup. Make sure your blend contains xanthan gum to mimic the structure gluten provides.

How do I fix runny icing?

If your glaze turns out too thin, pop the bowl into the fridge for 10-15 minutes and then whisk again. This keeps the glaze thick and creamy, perfect for dipping and glazing cookies.

What is the best way to keep cookies soft overnight?

Store cookies in an airtight container with a slice of bread to help maintain moisture. The bread helps absorb excess air and keeps the cookies delightfully soft and fresh.

Final Thoughts

There is something truly special about The Best Crumbl Iced Oatmeal Cookies Recipe that captures comfort and joy in every bite. Whether you’re baking for loved ones or treating yourself, these cookies offer a perfect blend of texture, flavor, and that charming iced finish. Give this recipe a try and watch it quickly become a favorite in your kitchen—once you taste them, you’ll understand why!