Easy Iced Oatmeal Cookies

Tessa’s Recipe Rundown

Taste: Perfect balance of sweetness and spice!
Texture: Soft and chewy inside with a silky icing on top that sets beautifully.
Ease: No difficult-to-find ingredients or chilling time needed.
Why You’ll Love This Recipe: An upgraded classic, with better taste, texture, and a more streamlined recipe process.

This post may contain affiliate links. Read our disclosure policy.

You know those classic store-bought iced oatmeal cookies, the ones in the crinkly bag with that mouthwatering crackly glaze? As a kid, I always wished they were softer, chewier, and honestly… tastier.

I set out to capture all that nostalgia but with my signature Handle the Heat soft & chewy texture. 

To get that perfect classic texture, you need to process the oats briefly in a food processor (or blender).

Many other old fashioned iced oatmeal cookie recipes require you lug out your food processor and stand mixer. Not mine! Once the oats are processed, everything comes together in a bowl by hand.

These easy cookies are like a warm hug from your childhood and are both easy and satisfying to bake.

One of our recipe testers offered cookies to her son’s volleyball coach and he got misty-eyed and asked for seconds! That’s how you know this recipe is a winner.

Sprinkle of Science

Key Ingredient Notes

The full list is available in the recipe card below, but here are some important notes to ensure your success.

• Butter: I formulated this recipe to use melted butter to achieve softer and chewier cookies quicker and easier. No waiting for butter to come to temperature, and no electric mixer needed!

• Old-Fashioned Oats: Also called rolled oats. Avoid instant oats — they’ll make the cookies mushy.
• Cinnamon & Nutmeg: Adds that hint of warmth and spice. Be sure your spices are fresh; otherwise, they won’t provide much flavor. Feel free to omit the nutmeg if you prefer.

• Dark Brown Sugar: The extra molasses adds a richer flavor and soft, chewy texture. If you only have light brown sugar, use that instead.

• Eggs + Egg Yolk: These bind the dough together to create structure. The added fat from the extra egg yolk adds more richness and chewiness in the baked cookies.

How to Make Iced Oatmeal Cookies (Quick Overview)

1. Pulse the oats. Pulse about 15 times, or until the consistency of coarse crumbs. You may need to pulse more or less depending on the speed and sharpness of your food processor. You may also use a blender. Don’t over-process, you don’t want oat flour.

2. Combine wet ingredients + sugar. Whisk the cooled melted butter and brown sugar very well to ensure no lumps remain. Add the eggs and vanilla and whisk vigorously to combine.
3. Let dough sit for 5-15 minutes. This allows the dough to hydrate and makes it easier to scoop. Less time for dry climates, more time for humid climates. You’ll quickly see how much oats zap moisture from cookie dough! This is why you shouldn’t simply add oats to recipes that weren’t formulated to include them. 
4. Scoop & bake! I prefer a 1.5 tablespoon medium-sized cookie scoop for this recipe. Bake for 10-11 minutes at 350°F. Don’t bake on dark-colored nonstick baking sheets; otherwise, you risk the bottoms and edges over-browning. Also, don’t underbake, or the cookies will break apart when you dip in the icing.
5. Re-shape into perfect circles. Immediately after removing from the oven, use a round cookie cutter to swirl around the edge of each cookie. This will reshape them into even thicker and more perfect circles.
6. Cool & ice. Once completely cooled, whisk together the icing ingredients until an ultra-thick icing forms. Lightly dab the top of each cookie into the icing so a little bit of the cookie still peeks through. Let sit for 1 hour before stacking or storing.

Storage & Make Ahead

The set iced cookies can be stored in an airtight container at room temperature for up to 3 days. 

You can also prep the dough ahead of time. Scoop the dough and store in an airtight container or chill the dough in one mass for up to 2 days. When you’re ready to bake, the scoops can go right in the oven. If you chilled a mass, let it sit at room temperature until just scoopable, then bake as directed.

Freezing Instructions

You can freeze these cookies two ways for up to 6 weeks:

1. Cookie Scoops – Freeze the dough balls in an airtight container or ziptop bag. Bake straight from frozen at 330°F for about 13 minutes, or until edges are lightly browned and the centers are set.
2. Baked, Unglazed Cookies – Freeze the baked, cooled cookies without the glaze. Let them thaw at room temperature, then glaze. This keeps them super soft and chewy.

I don’t recommend freezing glazed cookies. The glaze can turn thin and spotty, and the flavor and texture just aren’t as good once thawed.

Why This Recipe Works: Test Kitchen Notes

This recipe went through three failed iterations before I got it right. I then passed it off to two different recipe testers to make it in their own kitchens.  

In my first attempts, I tried to make the recipe entirely in the food processor to save dirtying an extra bowl. This turned out to be much harder than expected, and I simply could not get the right dough consistency. I ping-ponged from the dough being too wet, too dry, then too wet once again.

The winning version began with tweaking the base recipes from my Oatmeal Chocolate Chip Cookies and my Oatmeal Creme Pies. The resulting cookies are easy, soft, and pretty!

FAQs

Can I halve this recipe?

Yes. This recipe makes 30 medium-sized cookies. To yield 15 cookies instead, halve all ingredients. For the egg yolk, pour into a small bowl then scoop out half and discard.

Can I double this recipe?

Yes, just note that would be 60 medium-sized cookies so that’s best for serving a crowd. Double all ingredients. The dough will become difficult to mix by hand, so you may want to use an electric mixer to bring it together instead.

Can I use quick oats instead of rolled oats?

For best results, stick to old-fashioned rolled oats for these soft iced oatmeal cookies. If you do use quick oats, skip pulsing in the food processor.

Do these cookies spread a lot?

They spread just the right amount — if your dough is too sticky, chill it for 20 minutes before baking to control spreading.

Can I skip the icing?

Sure, but the icing adds that classic sweet flavor and nostalgic touch that makes these cookies truly special. 

Can I make these gluten-free?

I haven’t tested it, but that should work! Substitute a 1:1 gluten-free flour blend and certified gluten-free oats.

Can I make these egg-free?

I haven’t tested it, but you should be able to substitute the 2 eggs and 1 egg yolk with a total of 115 grams of plain full-fat Greek-style yogurt. You may need to chill the dough for two hours in the fridge for best results.

How to Make

Iced Oatmeal Cookies

Prep Time: 35 minutes mins

Resting & Cooling: 30 minutes mins

Cook Time: 11 minutes mins

Total Time: 1 hour hr 16 minutes mins

Nostalgic, cozy, and chewy, these easy Iced Oatmeal Cookies have a hint of spice and a pretty vanilla glaze. Just like the ones grandma made, but even better!

Email This Recipe

Enter your email, and we’ll send it to your inbox.

Instructions 

Make the cookies:

• Preheat the oven to 350°F.

• In a large microwave-safe bowl, microwave the butter in 20-second bursts until melted. Set aside to cool to room temperature (about 70°F).

• In a food processor, pulse the oats 15 times, or until broken up into the consistency of coarse crumbs. Add flour, cinnamon, salt, baking powder, baking soda, and nutmeg. Pulse 2-3 times to combine.

• To the large bowl containing the melted and cooled butter, whisk in the brown sugar. Add the eggs, egg yolk, and vanilla, and whisk until very well combined. Stir in the dry ingredients with a spatula until just combined.

• Let sit for 5 minutes to hydrate (10-15 minutes in humid climates).

• Line baking sheets with parchment paper. Using a medium, spring-loaded scoop, drop 1 1/2-tablespoon balls of dough onto baking sheets.

• Bake for 10-11 minutes, or until the edges are lightly browned and the centers are set. Don’t underbake, or they will be too delicate to ice.

• Right after removing from the oven, use a round cookie or biscuit cutter slightly larger than the cookies to swirl in circles around each cookie to gently reshape them into thick circles.

• Let cookies cool on baking sheets for 5 minutes before removing to wire racks to cool completely.

Make the icing:

• In a medium shallow bowl or dish, combine all the icing ingredients with a small whisk or fork until a very thick icing forms. It should fall off the whisk in large ribbons. Add extra milk only a splash at a time if needed, so the icing doesn’t get too thin.

• Lightly dab each cooled cookie into the icing, avoiding dunking completely so the cookie still peeks through. Place back onto the parchment-lined baking sheets.

• Let icing set for about 1 hour before stacking, transporting, or storing. Cookies can be stored in an airtight container at room temperature for up to 3 days.

Show us!If you make this recipe, be sure to snap a picture and share it on Instagram with #handletheheat so we can all see!