Heavenly Oatmeal Raisin Cookie Cake Recipe You’ll Adore

You know those lazy Sunday afternoons when the house smells like cinnamon and brown sugar? That’s when an old-fashioned cook would pull out her old mixing bowls and let me “help” make her famous oatmeal raisin cookies. The maple cinnamon buttercream? That’s my little twist – a creamy crown that turns this humble treat into something truly special for birthdays, potlucks, or just because Tuesday deserves dessert too.

Image: AI-generated illustration.

Heavenly Oatmeal Raisin Cookie Cake Recipe You'll Adore at a Glance

A delicious oatmeal raisin cookie cake with a maple cinnamon buttercream frosting. Perfect for any occasion.

• Prep time: 20 minutes
• Cook time: 20 minutes
• Total time: 40 minutes
• Yield: 1 9-inch cake
• Category: Dessert
• Method: Baking
• Cuisine: American
• Calories (estimated): 350 per serving

Oatmeal Raisin Cookie Cake Ingredients

Okay, let’s talk ingredients – because using the right stuff makes all the difference between “good” and “oh-my-goodness-I-need-another-slice” amazing. First, the cookie cake base:

• 1 3/4 cups (228g) all-purpose flour – spooned and leveled, please! No packing it down.
• 1 tsp baking soda – make sure yours isn’t expired (I’ve learned this the hard way).
• 3/4 tsp ground cinnamon – the good stuff, none of that dusty old spice jar in the back of your cabinet.
• 1/2 tsp salt – just regular table salt works perfectly.
• 3/4 cup (168g) unsalted butter – room temp is crucial here! Leave it out for about an hour before baking.
• 3/4 cup (168g) packed light brown sugar – really pack it in that measuring cup.
• 1/2 cup (104g) sugar – plain white granulated does the trick.
• 2 large eggs – also room temp (see a pattern here?).
• 2 tsp vanilla extract – splurge on the real stuff if you can.
• 2 cups (175g) quick cook oats – not steel-cut! Those won’t soften properly.
• 1 1/2 cups (225g) raisins – I like the regular dark ones, but golden raisins work too.

Now for that dreamy maple cinnamon buttercream:

• 1/2 cup (112g) unsalted butter – again, room temp is non-negotiable.
• 2 cups (230g) powdered sugar – sift if yours is lumpy.
• 1/2 tsp maple extract – this gives that authentic maple flavor.
• 1/2 tsp ground cinnamon – because more cinnamon is always better.
• 1-2 tbsp heavy cream – start with 1 tbsp and add more as needed.

How to Make Oatmeal Raisin Cookie Cake

Alright, let’s get baking! First things first – preheat your oven to 350°F (180°C). Trust me, you don’t want to skip this step – a properly heated oven gives you that perfect bake.

Next, grab your 9-inch cake pan and line the bottom with parchment paper. Spray the sides with baking spray too – this ensures your cookie cake will slide right out later without sticking.

Now for the fun part – making the dough! Whisk together your flour, baking soda, cinnamon and salt in a medium bowl. Set this aside while you cream the butter and sugars in your mixer bowl. Let the mixer run on medium for a good 2-3 minutes until everything is light and fluffy.

Add the eggs one at a time, letting each incorporate fully before adding the next. Then mix in the vanilla – that heavenly scent means we’re getting close! Now add your dry ingredients, but go easy here – mix just until combined. Overmixing makes tough cookies, and we want this cake nice and tender.

Stir in the oats and raisins by hand – the dough will be thick and sticky, just like good cookie dough should be. Now press it evenly into your prepared pan. I like to use slightly damp hands for this – it keeps the dough from sticking to you. Want extra raisin goodness? Press a few more into the top before baking!

Image: AI-generated illustration.

Baking the Cookie Cake

Pop that beauty in the oven for 18-20 minutes. You’ll know it’s done when the edges start turning golden brown – the center might look slightly underdone, but it’ll set as it cools. This is crucial: let it cool completely in the pan before attempting to frost or move it.

Maple Cinnamon Buttercream Frosting

While your cookie cake cools, let’s make that dreamy frosting. Beat the butter until it’s completely smooth – no lumps allowed! Add half the powdered sugar and mix until incorporated. Now for the magic: maple extract and cinnamon go in next, along with a tablespoon of cream. Mix until smooth, then add the remaining sugar. If your frosting feels too thick, add cream a teaspoon at a time until it’s pipeable but still holds its shape.

But if you don’t have piping bags, just spread it on with a knife for that rustic homemade charm.

Why You’ll Love This Oatmeal Raisin Cookie Cake

Oh my goodness, where do I even begin?

• That perfect soft-chewy texture – imagine your favorite oatmeal cookie, but in cake form with edges that are just slightly crisp and a center that stays wonderfully soft for days.
• Instant nostalgia in every bite – the warm cinnamon and plump raisins take me right back to Grandma’s kitchen every single time.
• So much easier to serve than individual cookies – no scooping required, just slice and watch it disappear at parties!
• Dresses up or down beautifully – pipe on that maple frosting for birthdays, or skip it for a casual weeknight treat.
• Smells absolutely heavenly while baking – your whole house will smell like a cozy autumn day.

Seriously, what’s not to love? It’s comfort food at its finest!

Oatmeal Raisin Cookie Cake Tips for Success

Don’t overmix that dough! Once you add the flour, mix just until the streaks disappear – overworked dough makes tough cookies. And about those raisins – plump, fresh ones are key. If yours look a little sad, soak them in warm water for 10 minutes first (just pat them dry before using).

Room temperature ingredients aren’t just a suggestion – cold butter won’t cream properly, and cold eggs can make your batter separate. Take them out at least an hour before baking. And that parchment paper lining? Non-negotiable!

One last pro tip: Let the baked cake cool completely before frosting – warm cake melts buttercream into a sad, runny mess.

Oatmeal Raisin Cookie Cake Variations

Oh, the possibilities! Swap the raisins for chocolate chips if you’re feeling indulgent – dark chocolate pairs beautifully with the oats. Crushed walnuts or pecans add wonderful crunch (toast them first for extra flavor). The best part? This forgiving recipe welcomes all sorts of creative twists while keeping that signature soft, chewy texture we love.

Storing and Serving Oatmeal Raisin Cookie Cake

Here’s the scoop on keeping your oatmeal raisin cookie cake as fresh as the day you baked it! Without frosting, this beauty can hang out at room temperature for about 24 hours – just tuck it under a cake dome or wrap it well in plastic. After that, pop it in the fridge where it’ll stay happy for 4-5 days. The frosting? It’s perfectly stable at room temp thanks to all that sugar acting as a natural preservative.

always serve at room temperature! Straight-from-the-fridge cookie cake loses some of its magical softness. If you’ve refrigerated it, let it sit on the counter for at least an hour before slicing. The buttercream will soften up beautifully, and those raisins will get all plump and juicy again – just like Grandma’s cookies fresh from the oven!

Oatmeal Raisin Cookie Cake Nutritional Information

Okay, let’s be real – we’re not eating cookie cake for health food, but it’s good to know what’s in each delicious slice!

• Calories: About 350 – totally worth every bite!
• Sugar: 25g (mostly from those sweet raisins and brown sugar)
• Fat: 15g (butter makes everything better, right?)
• Fiber: 2g (thank you, hearty oats!)

Remember, these numbers can vary depending on your exact ingredients.

Oatmeal Raisin Cookie Cake FAQs

Can I use rolled oats instead of quick oats?
Absolutely! The cake will still be delicious, but the texture will be slightly chewier and more substantial. Quick oats give that perfect tender bite, while rolled oats add more texture. If you only have rolled oats, give them a quick pulse in the blender to break them down a bit – not into flour, just smaller pieces.

Is the frosting optional?
Of course! The cookie cake tastes amazing plain if you’re not into frosting. It’ll be less sweet without it, which some folks prefer. But oh, that maple cinnamon buttercream really takes it over the top – it’s like wrapping your favorite cookie in a cozy sweater.

Can I freeze this cookie cake?
You bet! Freeze it unfrosted for best results. Wrap the cooled cake tightly in plastic wrap, then foil, and it’ll keep beautifully for up to 3 months. Thaw overnight in the fridge, then let it come to room temp before serving or frosting. The buttercream freezes well too – just rewhip it with a splash of cream if it separates after thawing.

Help! My dough seems too sticky – what do I do?
Don’t panic! Oatmeal cookie dough is naturally sticky – that’s what gives the cake its wonderful chew. If it’s sticking to your hands while pressing into the pan, lightly moisten your fingers with water or grease them with a bit of butter. The dough firms up perfectly during baking.

Final Thoughts

Happy baking! Check out more inspiration on Pinterest.

About This Recipe

This recipe is adapted from published sources and written by the BestAllTop editorial team. The measurements, temperatures and timings above follow the original method. The method follows a recipe published by its original source; our team reviewed and rewrote it rather than cooking it again here, so results can vary with your oven, pans and ingredients. The photographs on this page are AI-generated illustrations of the finished dish, not photographs of a batch cooked in our own kitchen.

Heavenly Oatmeal Raisin Cookie Cake Recipe You’ll Adore

---

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

• Author: The BestAllTop Team
• Total Time: 40 minutes
• Yield: 1 9-inch cake 1x
• Diet: Vegetarian

Print Recipe

Pin Recipe

Description

A delicious oatmeal raisin cookie cake with a maple cinnamon buttercream frosting. Perfect for any occasion.

---

Ingredients

Scale 1x2x3x

• 1 3/4 cups (228g) all-purpose flour
• 1 tsp baking soda
• 3/4 tsp ground cinnamon
• 1/2 tsp salt
• 3/4 cup (168g) unsalted butter, room temperature
• 3/4 cup (168g) packed light brown sugar
• 1/2 cup (104g) sugar
• 2 large eggs
• 2 tsp vanilla extract
• 2 cups (175g) uncooked quick cook oats
• 1 1/2 cups (225g) raisins
• 1/2 cup (112g) unsalted butter, room temperature
• 2 cups (230g) powdered sugar
• 1/2 tsp maple extract
• 1/2 tsp ground cinnamon
• 1–2 tbsp heavy cream

Cook Mode Prevent your screen from going dark

---

Instructions

1. Preheat oven to 350°F (180°C). Prepare a 9-inch cake pan with parchment paper in the bottom and baking spray on the sides. Set aside.
2. Combine the flour, baking soda, cinnamon and salt in a medium sized bowl and set aside.
3. Cream the butter and sugars together in a large mixer bowl on medium speed until light in color and fluffy, about 2-3 minutes. Scrape down the sides of the bowl a few times to be sure all is well incorporated.
4. Add the eggs one at a time and mix until well combined after each.
5. Add the vanilla extract and mix until well combined.
6. Add the dry ingredients and mix until the dough is just combined. Do not over mix.
7. Stir in the oats and raisins. Dough will be thick, but sticky.
8. Press the cookie dough evenly into the cake pan. Press a few more raisins into the top of the cookie cake, if desired.
9. Bake for 18-20 minutes, or until the edges just begin to turn golden.
10. Remove from oven and allow to cool completely in the cake pan, then transfer to a serving plate.
11. To make the buttercream, add the butter to a large mixer bowl and beat until well combined and smooth.
12. Add about half of the powdered sugar and mix until well combined and smooth.
13. Add the maple extract, cinnamon and a tablespoon of cream and mix until well combined and smooth.
14. Add the rest of the powdered sugar and mix until well combined and smooth. Add more cream to get the right consistency.
15. Add the buttercream to a piping bag fitted with a piping tip and pipe swirls of frosting around the outer edge of the cake.

Notes

• Store cookie cake in an airtight container.
• You can store it at room temperature for about 24 hours, then store in the fridge.
• Without the buttercream, it can remain at room temperature.
• I recommend serving at room temperature, since the cookie will firm up when cold.
• Cookie cake is best eaten within 4-5 days.

• Prep Time: 20 minutes
• Cook Time: 20 minutes
• Category: Dessert
• Method: Baking
• Cuisine: American

Nutrition

• Serving Size: 1 slice
• Calories: 350
• Sugar: 25g
• Sodium: 150mg
• Fat: 15g
• Saturated Fat: 9g
• Unsaturated Fat: 5g
• Trans Fat: 0g
• Carbohydrates: 50g
• Fiber: 2g
• Protein: 4g
• Cholesterol: 60mg