The scent of cinnamon fills the air as I pull a warm batch of Cinnamon Roll Baked Oatmeal Squares from the oven, and I can’t help but smile. This cozy breakfast treat marries the nostalgic sweetness of cinnamon rolls with the simplicity of a one-bowl recipe. Perfect for bustling mornings or lazy weekends, these squares are not only quick to whip up but also a deliciously wholesome alternative to fast food. With their tender texture and comforting flavors, they’re sure to satisfy both your cravings and your kitchen’s warm ambiance. So, who’s ready for a delightful start to the day? Let’s dive into this dreamy recipe together!

Why are these Cinnamon Roll Oatmeal Squares a must-try?
Warm, Inviting Aroma: The delightful scent of cinnamon fills your kitchen, creating a cozy atmosphere that beckons everyone to the breakfast table.
Easy One-Bowl Recipe: With just a few simple steps, you’ll spend less time cleaning and more time enjoying this scrumptious treat. Perfect for those hectic mornings!
Wholesome Ingredients: Packed with rolled oats, this recipe offers a nutritious alternative to fast food, keeping you fueled and satisfied throughout your day.
Versatile & Adaptable: Customize your squares by adding nuts, fruits, or even a drizzle of icing for that extra sweet touch, adding a personal flair to each batch.
Crowd-Pleaser: Whether it’s a family breakfast or a gathering with friends, these squares will be a hit that everyone will love! You might also want to check out my Cinnamon Roll French recipe for another delightful twist on cinnamon!
Cinnamon Roll Baked Oatmeal Squares Ingredients
For the Base
• Rolled Oats – Provides structure and chewy texture; use old-fashioned oats for the best results.
• Baking Powder – Helps the oatmeal squares rise and become fluffy.
• Ground Cinnamon – Adds warm, baking-spice flavor reminiscent of traditional cinnamon rolls.
• Salt – Balances sweetness and enhances the overall flavor.
• Large Egg – Acts as a binder to hold everything together.
• Milk (1 cup) – Adds moisture; dairy or non-dairy options like almond or oat milk work beautifully.
• Maple Syrup or Honey (¼ cup) – A natural sweetener to introduce just the right amount of sweetness without refined sugars.
• Melted Butter or Coconut Oil (2 tablespoons) – Provides richness and moisture for that perfect mouthfeel.
• Vanilla Extract (1 teaspoon) – Enhances the flavor profile with a delightful aroma.
For the Swirl
• Melted Butter or Coconut Oil (1 tablespoon) – For creating a lovely topping that adds richness.
• Brown Sugar (1 tablespoon) – Adds a caramel-like sweetness and an appealing crunch.
• Ground Cinnamon (½ teaspoon) – Complements the oat base and deepens the cinnamon flavor for a truly cozy experience.
These Cinnamon Roll Baked Oatmeal Squares combine simplicity and deliciousness for an irresistible breakfast treat!
Step‑by‑Step Instructions for Cinnamon Roll Baked Oatmeal Squares
Step 1: Preheat Oven
Begin by preheating your oven to 350°F (175°C). This ensures that when the Cinnamon Roll Baked Oatmeal Squares are ready, they will bake evenly and rise beautifully, creating that perfect texture. While the oven heats up, you can prepare your baking dish by greasing it lightly to prevent sticking.
Step 2: Combine Dry Ingredients
In a large mixing bowl, combine old-fashioned rolled oats, baking powder, ground cinnamon, and a pinch of salt. Use a whisk to mix these dry ingredients well, ensuring there are no clumps. This step is crucial for even distribution of flavors in your Cinnamon Roll Baked Oatmeal Squares, setting the foundation for their warm, comforting taste.
Step 3: Whisk Wet Ingredients
In another bowl, whisk together the large egg, milk, maple syrup or honey, melted butter or coconut oil, and vanilla extract until the mixture is smooth and well combined. This harmony of wet ingredients brings moisture and sweetness, contributing to the delightful finish of the Cinnamon Roll Baked Oatmeal Squares.
Step 4: Mix Ingredients
Pour the wet mixture into the bowl with the dry ingredients. Gently stir until just combined – be careful not to overmix! Lumps are perfectly fine; they help keep your oatmeal squares fluffy. This step binds everything together, setting up a tender bite that mimics the nostalgia of your favorite cinnamon rolls.
Step 5: Prepare Swirl
In a small bowl, mix together the melted butter or coconut oil, brown sugar, and ground cinnamon for the swirl. Stir until it’s just combined and has a slightly crumbly texture. This swirl mixture is essential for creating delightful pockets of sweetness and cinnamon flavor in your Cinnamon Roll Baked Oatmeal Squares.
Step 6: Layer in Baking Dish
Spread the oatmeal mixture evenly into your prepared baking dish, ensuring it reaches all corners. Then, drop spoonfuls of the swirl mixture over the top, using a knife or a toothpick to create a marble effect. This layering not only looks beautiful but also enhances the flavors, ensuring every bite is packed with that irresistible cinnamon goodness.
Step 7: Bake
Place the baking dish in the preheated oven and bake for 25-30 minutes. Keep an eye on them; they are done when the edges are lightly golden and a toothpick inserted in the center comes out mostly clean. The aroma of your Cinnamon Roll Baked Oatmeal Squares should fill your kitchen, making the wait exciting!
Step 8: Cool and Slice
Once baked, remove your oatmeal squares from the oven and allow them to cool for about 10 minutes in the dish. This resting time helps them set up a bit more, making them easier to slice. Cut into squares and serve warm or at room temperature, ready to be enjoyed as a comforting breakfast treat.

Expert Tips for Cinnamon Roll Baked Oatmeal Squares
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Use Old-Fashioned Oats: Always opt for old-fashioned rolled oats for the best texture. Instant oats can lead to a mushy outcome, ruining your delicious squares.
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Don’t Overmix: Stir the wet and dry mixtures until just combined. Overmixing can result in dense and chewy squares instead of the light, fluffy texture you desire.
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Swirl Effect: When preparing the cinnamon swirl, aim for a slightly crumbly texture. It adds delightful pockets of flavor throughout your Cinnamon Roll Baked Oatmeal Squares.
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Testing for Doneness: Insert a toothpick in the center to check for doneness; it should come out mostly clean. This ensures your squares are fluffy and perfectly baked.
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Cool Before Slicing: Allow your baked squares to cool for about 10 minutes before cutting. This extra time helps them hold their shape and makes for easier serving.
Make Ahead Options
These Cinnamon Roll Baked Oatmeal Squares are an ideal choice for meal prep, making your busy mornings a breeze! You can prepare the dry ingredient mixture (rolled oats, baking powder, cinnamon, and salt) up to 3 days in advance. Simply store them in an airtight container at room temperature. For even more convenience, whisk together the wet ingredients and refrigerate them up to 24 hours before baking. When you’re ready to bake, combine the wet and dry mixtures, prepare the cinnamon swirl, and layer it all in your baking dish. This way, you’ll savor the same deliciousness with minimal effort, perfect for a cozy breakfast with the family!
What to Serve with Cinnamon Roll Baked Oatmeal Squares?
Indulge in the delightful experience of a cozy breakfast spread that complements the warm sweetness of your cinnamon squares.
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Fresh Fruit Salad: A vibrant mix of berries and citrus adds a refreshing contrast, brightening your breakfast with natural sweetness and color.
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Creamy Greek Yogurt: The tanginess of yogurt pairs wonderfully with the sweet squares, adding a creamy texture and extra protein to your meal.
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Maple Drizzle: A simple drizzle of maple syrup enhances the cinnamon flavor, making every bite of the oatmeal squares even more indulgent.
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Nutty Granola: Crunchy granola complements the soft texture of the oatmeal, providing a satisfying crunch along with additional flavors and nutrients.
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Coffee or Tea: A warm cup of coffee or spiced chai invigorates your mornings, perfectly balancing the sweetness of your breakfast with aromatic warmth.
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Warm Cinnamon Apples: Sautéed apples in cinnamon and butter create a comforting, caramelized side that harmonizes beautifully with your baked squares.
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Chia Seed Pudding: For a healthful twist, prepare a chia pudding as a light side. Its creamy yet nutritious profile contrasts with the hearty oatmeal squares.
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Fruity Smoothie: Blend together a banana and spinach smoothie for a quick, refreshing complement that adds a burst of vitamins and minerals to your breakfast.
Cinnamon Roll Baked Oatmeal Squares Variations
Feel free to get creative with these delectable squares and make them your own!
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Sweetener Swap: Use agave syrup or brown sugar instead of maple syrup for a different flavor profile. Both options bring a delicious sweetness to the table.
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Nutty Twist: Add chopped walnuts or pecans for a delightful crunch and a nutty depth of flavor. The addition of nuts makes each bite more satisfying and celebratory!
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Fruit Perks: Toss in dried cranberries or raisins for bursts of sweetness and chewy texture. These additions not only enhance the flavor but also provide a lovely contrast to the warm cinnamon.
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Spice It Up: Experiment by adding a pinch of nutmeg or a dash of cardamom for an aromatic spin. This small change can elevate your morning routine to a whole new level of cozy!
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Dairy-Free Delight: Switch the milk for almond or oat milk to keep it plant-based and equally scrumptious. You won’t miss the dairy with these creamy alternatives!
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Icing Drizzle: For a sweet indulgence, top your squares with a simple icing made from powdered sugar and a splash of milk. This little touch transforms your squares into a delightful dessert-like treat.
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Lower Sugar Option: Cut down on the sweetener by half, and consider using mashed bananas for added natural sweetness and moisture. This twist brings a wholesome element to your breakfast squares.
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Berries Galore: Add fresh blueberries or diced strawberries to the batter before baking for a refreshing fruity kick. They bring a wonderful burst of flavor that complements the cinnamon perfectly.
These variations ensure that your Cinnamon Roll Baked Oatmeal Squares stay exciting and cater to your personal tastes. For a different breakfast, don’t forget to check out my Peach Baked Oatmeal recipe for another morning treat!
How to Store and Freeze Cinnamon Roll Baked Oatmeal Squares
Airtight Container: Keep the squares in an airtight container at room temperature for up to 2 days to maintain freshness.
Refrigeration: Store in the fridge for up to 5 days. Be sure to let them cool completely before sealing to prevent moisture buildup.
Freezing: For longer storage, you can freeze the squares for up to 3 months. Wrap each square in plastic wrap, then place them in a freezer-safe bag.
Reheating: Thaw in the fridge overnight and reheat in the microwave or oven until warmed through for a delightful breakfast any day!

Cinnamon Roll Baked Oatmeal Squares Recipe FAQs
What type of oats should I use for this recipe?
Absolutely! For the best texture, always use old-fashioned rolled oats. Instant oats can lead to a mushy result, while steel-cut oats won’t provide the desired softness that makes these Cinnamon Roll Baked Oatmeal Squares so delightful.
How long can I store the baked squares?
You can keep these scrumptious squares in an airtight container at room temperature for up to 2 days. If you’d like them to last longer, store them in the refrigerator for up to 5 days, letting them cool completely before sealing to avoid moisture buildup.
Can I freeze Cinnamon Roll Baked Oatmeal Squares?
Yes, you can! To freeze, wrap each square individually in plastic wrap, then place them in a freezer-safe bag. They’ll stay delicious for up to 3 months. When you’re ready to enjoy, just thaw them in the fridge overnight and reheat them in the microwave or oven.
What should I do if my squares aren’t rising properly?
If you find your oatmeal squares are not rising as expected, check the freshness of your baking powder; it could be past its prime. Always ensure it’s properly mixed in with the dry ingredients, and avoid overmixing the wet and dry mixtures; lumps are ideal for keeping the texture fluffy!
Are these oatmeal squares suitable for a vegan diet?
Absolutely! To make these Cinnamon Roll Baked Oatmeal Squares vegan, you can replace the large egg with a flax egg (1 tablespoon ground flaxseed mixed with 2.5 tablespoons of water, let sit until gel-like), use plant-based milk, and substitute the honey with maple syrup or agave syrup.
What can I use as alternatives in the recipe?
The more the merrier! You can substitute maple syrup with agave syrup or brown sugar for sweetness. For a nutty twist, try adding chopped walnuts or pecans, or mix in raisins or dried cranberries for an extra dimension of flavor.

Cinnamon Roll Baked Oatmeal Squares: Your Morning Sweet Escape
Ingredients
Equipment
Method
- Preheat your oven to 350°F (175°C) and prepare the baking dish by greasing it lightly.
- In a large mixing bowl, combine old-fashioned rolled oats, baking powder, ground cinnamon, and salt. Whisk well to mix.
- In another bowl, whisk together the egg, milk, maple syrup or honey, melted butter or coconut oil, and vanilla extract until smooth.
- Pour the wet mixture into the bowl with the dry ingredients and gently stir until just combined.
- In a small bowl, mix together melted butter or coconut oil, brown sugar, and ground cinnamon for the swirl.
- Spread the oatmeal mixture evenly in the prepared baking dish, then drop spoonfuls of the swirl mixture on top and create a marble effect with a knife.
- Bake for 25-30 minutes until edges are golden and a toothpick comes out mostly clean.
- Allow to cool for about 10 minutes before slicing into squares.

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