High-Protein Cinnamon Roll Baked Oatmeal

Total Time: 1 hr 5 mins Difficulty: Beginner
Savor the sweet, warm comfort of cinnamon rolls in a healthy baked oatmeal form!
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Nothing beats waking up to the sweet scent of cinnamon swirling through the kitchen, especially when it means biting into a warm, high-protein cinnamon roll baked oatmeal. This dish takes all the cozy, gooey goodness of a classic cinnamon roll—without the endless kneading or towering sugar content—and transforms it into a hearty, nutritious breakfast that fuels your morning routine. With every forkful, you’ll taste layers of soft baked oats infused with vanilla and sweet cinnamon, punctuated by the natural creaminess of Greek yogurt and the subtle sweetness of applesauce or mashed banana. It’s like a kitchen hug—comforting, wholesome, and seriously delicious—all rolled into one easy-to-slice pan of golden-brown goodness.

Beyond being a crowd-pleaser, this recipe is magic for meal prep enthusiasts and busy families. You can bake it on a lazy Sunday, slice it into perfect squares, and stash it in the fridge for quick reheat-and-go breakfasts all week long. The protein powder and Greek yogurt team up to deliver a muscle-friendly boost, while the old-fashioned rolled oats keep you feeling full until lunchtime. And let’s not forget the optional chopped nuts and sweet dried fruits that add delightful crunch and chew. Whether you’re tackling a busy workday or easing into a slow weekend, this cinnamon roll baked oatmeal has your back—combining sweet memories of cinnamon rolls past with a modern, health-conscious twist.

KEY INGREDIENTS IN HIGH-PROTEIN CINNAMON ROLL BAKED OATMEAL

Before we dive into the baking fun, let’s talk about the stars of this recipe. Each ingredient not only contributes flavor but also brings texture, protein, or that cozy spice profile that makes this baked oatmeal feel like a warm cinnamon roll in every bite.

  • Old-fashioned rolled oats

These hearty oats provide a chewy base that soaks up all the creamy goodness of the wet ingredients. They give structure to the bake and release complex carbs slowly, keeping you satisfied well into the afternoon.

  • Milk of choice

Whether you opt for dairy or a plant-based alternative, the milk hydrates the oats, blending with Greek yogurt to create a custard-like texture during baking.

  • Greek yogurt

Full-fat or low-fat, this adds tangy creaminess, boosts protein content, and contributes to a tender, moist crumb.

  • Eggs

Acting as a binding agent, eggs help the oats set up properly in the oven and add extra richness for a satisfyingly dense bite.

  • Protein powder

Use vanilla or unflavored to amplify the protein punch without altering the sweet cinnamon-roll flavors. It also helps absorb moisture and keeps the bake firm.

  • Maple syrup or honey

Natural sweeteners that blend into the batter, adding subtle floral notes and deep golden color when baked.

  • Baking powder

A gentle leavener that gives the oatmeal lift, ensuring the center bakes up light instead of dense or gummy.

  • Vanilla extract

Enhances all the sweet flavors and layers in a floral, comforting aroma that pairs beautifully with cinnamon.

  • Cinnamon

The hallmark spice that turns ordinary baked oats into cinnamon-roll territory, adding warmth, sweetness, and a hint of spice.

  • Salt

A small pinch boosts flavor complexity and balances the sweetness.

  • Applesauce or mashed banana

Provides natural sweetness, moisture, and a fruity undertone. The choice affects the flavor profile—banana brings a mellow fruitiness, while applesauce is more neutral.

  • Chopped walnuts or pecans (optional)

Adds a satisfying crunch and a dose of healthy fats, turning each bite into a textural delight.

  • Raisins or chopped dates (optional)

These sweet morsels lend occasional bursts of chewy, caramel-like sweetness—perfect for date lovers.

  • Melted butter or coconut oil (for topping)

Creates a rich, glossy base for the cinnamon-sugar swirl, melding into the oats as it bakes.

  • Brown sugar or coconut sugar (for topping)

Paired with cinnamon in the drizzle, it caramelizes on top for that signature sticky-sweet finish.

HOW TO MAKE HIGH-PROTEIN CINNAMON ROLL BAKED OATMEAL

Ready to transform simple pantry staples into irresistible squares of cinnamon-y comfort? This recipe is beginner-friendly and requires no fancy tools—just a whisk, mixing bowls, and your oven.

1. Preheat your oven to 350°F (175°C) and lightly grease a 9×9-inch baking dish

Warming the oven early ensures even baking, while a light coating of oil or non-stick spray around the dish guarantees that every square lifts out cleanly once cool.

2. In a large mixing bowl, combine the oats, protein powder, baking powder, cinnamon, and salt

Toss these dry ingredients together until they’re evenly distributed—this step is key to ensuring every bite has consistent flavor and lift.

3. In another bowl, whisk together the milk, Greek yogurt, eggs, maple syrup, vanilla extract, and applesauce or mashed banana until smooth

Aim for a silky texture without lumps; a whisk or sturdy fork works perfectly to incorporate air and break up any thicker pockets.

4. Pour the wet ingredients into the dry ingredients and stir until well combined. Add the optional nuts and dried fruits if using

Use gentle folding motions to avoid overmixing; you want the oats to hydrate but still maintain a bit of chew.

5. Pour the mixture into the prepared baking dish and spread it out evenly

A silicone spatula helps level the surface, creating a uniform thickness so that it bakes evenly.

6. In a small bowl, mix the melted butter, brown sugar, and cinnamon for the topping. Drizzle this mixture over the oatmeal evenly

As the butter cools, the sugar will slightly thicken—drizzling slowly ensures beautiful cinnamon swirls throughout.

7. Use a knife or toothpick to swirl the cinnamon topping into the oatmeal mixture

Make wide figure-eight motions or simple spirals; the goal is pretty patterns and pockets of gooey cinnamon.

8. Bake in the preheated oven for 35–40 minutes or until the center is set and the edges are golden brown

Check at around 30 minutes—if the top is browning too quickly, loosely tent with foil to prevent over-browning.

9. Let it cool for a few minutes before cutting into squares. Serve warm, optionally topped with a drizzle of icing made from powdered sugar and milk

Cooling helps the bake firm up and makes slicing cleaner. A simple icing elevates it closer to an authentic cinnamon roll finish.

SERVING SUGGESTIONS FOR HIGH-PROTEIN CINNAMON ROLL BAKED OATMEAL

Once your baked oatmeal is out of the oven and golden-brown, the fun really begins. Serving this dish is an opportunity to play with textures, temperatures, and flavors that complement the cinnamon roll vibe. Think about adding contrasting cool and warm elements or layering on toppings that bring extra richness, like a dollop of creamy yogurt or a handful of fresh berries. I love how versatile this recipe is—one day I’m slicing it thin for a light yogurt parfait, and the next I’m piling chunks onto a plate with nut butter and banana slices for a hearty brunch centerpiece. No matter how you serve it, these suggestions will help you turn a simple pan of baked oatmeal into an unforgettable breakfast, snack, or even dessert.

  • Classic icing drizzle: Whisk powdered sugar with just enough milk to create a thick but pourable icing. Drizzle over warm squares for that authentic cinnamon roll glamour and a touch of extra sweetness.
  • Greek yogurt parfait: Layer cut pieces with Greek yogurt, fresh berries, and a sprinkle of granola. The tangy creaminess and crisp granola offer a delightful contrast to the chewy oatmeal.
  • Nut butter kick: Spread almond or peanut butter on top while the oatmeal is still warm, letting it melt into every nook. Finish with sliced bananas for a decadent, protein-rich treat.
  • Vanilla latte pairing: Serve a slice alongside a steaming mug of coffee or your favorite latte. The bittersweet coffee notes highlight the cinnamon flavors and make every morning feel like a café-style indulgence.

HOW TO STORE HIGH-PROTEIN CINNAMON ROLL BAKED OATMEAL

Proper storage ensures your batch of cinnamon roll baked oatmeal stays moist, flavorful, and ready to enjoy all week long. Whether you’re meal-prepping or simply want to savor leftovers, following these tips will maintain the ideal texture and keep the cinnamon-sugar topping from drying out. The natural sweetness from the fruit purée and maple syrup helps preserve moisture, but airtight containers and quick refrigeration are your best friends. Don’t be afraid to reheat gently in the microwave or toaster oven, then add a fresh swirl of butter or a splash of milk to revive that just-baked warmth.

  • Refrigerator storage: Transfer cooled squares into an airtight container and store in the fridge for up to 5 days. Place a piece of parchment between layers to prevent sticking and maintain crisp edges.
  • Freezer meal prep: Flash-freeze individual squares on a tray, then wrap each in plastic wrap and place in a freezer-safe bag. They’ll last up to 3 months—just thaw at room temperature or microwave for 30–60 seconds.
  • Single-serve bags: Pop pre-cut squares into resealable bags for grab-and-go breakfasts. Squeeze out excess air before sealing to keep each serving fresh and freezer-burn free.
  • Gentle reheating: For the best texture, reheat slices in a toaster oven at 325°F for 5–7 minutes or microwave with a damp paper towel to retain moisture and avoid dryness.

CONCLUSION

This High-Protein Cinnamon Roll Baked Oatmeal recipe encapsulates all the things we love about cozy mornings—warm spices, sweet cinnamon swirls, and that comforting, just-out-of-the-oven feeling—while sneaking in extra protein, fiber, and wholesome ingredients. From the tangy touch of Greek yogurt to the nourishing punch of protein powder, every component works together to deliver a balanced breakfast or snack that feels indulgent without tipping the scale on sugar or calories. If you’re a home cook who craves variety, this twist on traditional cinnamon rolls will quickly become a pantry staple, perfect for batch baking, meal prep, or a simple Sunday treat.

Go ahead and print out this article or save it in your recipe folder so that you always have a reliable guide to achieving cinnamon-roll bliss in oatmeal form. You can also scroll down for an FAQ below where I tackle common questions about ingredient substitutions, baking tips, and flavor variations. If you try this recipe, I’d love to hear how it turned out—drop your thoughts, questions, or feedback in the comments. Whether you need help tweaking the sweetness, experimenting with mix-ins, or just want to share your favorite topping combo, I’m here to cheer you on and celebrate every delicious square you create. Enjoy the comfort, savor the protein boost, and happy baking!

High-Protein Cinnamon Roll Baked Oatmeal

Difficulty: Beginner Prep Time 15 mins Cook Time 40 mins Rest Time 10 mins Total Time 1 hr 5 mins
Calories: 400

Description

This High-Protein Cinnamon Roll Baked Oatmeal is a cozy, hearty dish that combines the classic flavors of cinnamon rolls with nutritious ingredients, perfect for breakfast or a snack.

Ingredients

Instructions

  1. Preheat your oven to 350°F (175°C) and lightly grease a 9x9-inch baking dish.
  2. In a large mixing bowl, combine the oats, protein powder, baking powder, cinnamon, and salt.
  3. In another bowl, whisk together the milk, Greek yogurt, eggs, maple syrup, vanilla extract, and applesauce or mashed banana until smooth.
  4. Pour the wet ingredients into the dry ingredients and stir until well combined. Add the optional nuts and dried fruits if using.
  5. Pour the mixture into the prepared baking dish and spread it out evenly.
  6. In a small bowl, mix the melted butter, brown sugar, and cinnamon for the topping. Drizzle this mixture over the oatmeal evenly.
  7. Use a knife or toothpick to swirl the cinnamon topping into the oatmeal mixture.
  8. Bake in the preheated oven for 35-40 minutes or until the center is set and the edges are golden brown.
  9. Let it cool for a few minutes before cutting into squares. Serve warm, optionally topped with a drizzle of icing made from powdered sugar and milk.

Note

  • This baked oatmeal is perfect for meal prep and can be stored in the fridge for up to 5 days.
  • You can make this recipe vegan by using plant-based milk, yogurt, and a flax egg (1 tablespoon flaxseed meal + 3 tablespoons water).
  • Experiment with other flavorings like nutmeg or cardamom for a different spice profile.
  • Adjust the sweetness to your taste by increasing or decreasing the amount of natural sweetener.
Keywords: baked oatmeal, cinnamon roll, high-protein, healthy breakfast, meal prep, oatmeal recipe

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Frequently Asked Questions

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Can I use quick oats instead of old-fashioned rolled oats for this recipe?

While quick oats can be used in a pinch, they will result in a different texture compared to old-fashioned rolled oats. Quick oats absorb liquid faster and may yield a softer, more mushy consistency. For the best results and to maintain the hearty texture, it’s recommended to stick with old-fashioned rolled oats.

What are some suitable dairy-free milk alternatives for this recipe?

There are several excellent dairy-free milk alternatives that you can use, including almond milk, soy milk, oat milk, coconut milk, or cashew milk. Choose a variety that suits your taste preference and dietary needs. Ensure that the milk you choose is unsweetened if you want to control the sweetness of the baked oatmeal.

How can I make this recipe gluten-free?

To make this baked oatmeal gluten-free, simply substitute the old-fashioned rolled oats with certified gluten-free oats. Ensure that all other ingredients, including protein powder and any added toppings, are also gluten-free. This will keep the dish safe for those with gluten sensitivities or celiac disease.

Can I prepare this recipe in advance, and how should I store it?

Yes, this baked oatmeal is perfect for meal prep! You can prepare it in advance, store it in an airtight container in the fridge, and it will keep for up to 5 days. To reheat, simply warm individual portions in the microwave or in the oven until heated through.

How can I customize the sweetness of the baked oatmeal?

You can easily adjust the sweetness of this recipe by modifying the amount of natural sweetener, such as maple syrup or honey. If you prefer a less sweet dish, reduce the amount by a tablespoon or two. Conversely, if you like it sweeter, feel free to add more according to your taste. Additionally, adding fruits like ripe bananas or dried fruits can naturally increase the overall sweetness.

Annie Delgado

Food and Lifestyle Blogger

Hi! I’m Annie Delgado, the home cook, storyteller, and flavor-lover behind CookingWithAnnie.com. Raised in a big Latin-American family where food was how we celebrated, connected, and showed love, I learned early on that cooking doesn’t have to be complicated to be meaningful.

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