Cinnamon Swirl Protein Banana Oats

Featured in: Baking & Sweet Treats

These cinnamon swirl protein banana baked oats bring together the comforting flavors of banana bread and protein pancakes in one convenient ramekin. The tender oat base gets a protein boost from vanilla powder, while a ribbons of cinnamon sugar swirl through the top creating that classic bakery-style marbled effect.

Ready in just 35 minutes with only 10 minutes of prep, this single-serve treat is perfect for busy mornings or afternoon snacks. The mashed banana provides natural sweetness and moisture, while the egg and protein powder create a fluffy, satisfying texture that keeps you full for hours.

Customize it easily—swap in plant-based milk and a flax egg for vegan options, or add chopped nuts and chocolate chips for extra texture. Serve warm with Greek yogurt or a drizzle of nut butter for an even creamier experience.

Updated on Sun, 08 Feb 2026 16:01:00 GMT
Warm Cinnamon Swirl Protein Banana Baked Oats fresh from the oven in a ramekin. Save
Warm Cinnamon Swirl Protein Banana Baked Oats fresh from the oven in a ramekin. | bakozy.com

There's something about spooning into a warm ramekin straight from the oven that makes mornings feel less rushed. I discovered this recipe on a Tuesday when I was tired of the same oatmeal routine and wanted something that felt more like dessert for breakfast. The first time I made it, I was genuinely shocked how banana bread-like the texture became, all tender and cake-y, without any of the guilt. Now it's become my go-to when I need breakfast to feel like self-care.

I made this for my roommate once when she mentioned feeling sluggish mid-morning, and watching her come back to the kitchen asking for the recipe felt like winning something. She now makes it before her gym sessions, and we've become those people who text each other photos of our baked oats. It's become our weird little breakfast tradition, and honestly, that's when I knew this recipe was special.

Ingredients

  • Ripe banana: One medium one, fully mashed so there are no chunks—this is what gives the bake that tender banana bread texture and natural sweetness you're after.
  • Large egg: The binder that holds everything together and contributes richness; it's what separates this from just baked oatmeal.
  • Unsweetened milk: Half a cup of whatever you have on hand, dairy or plant-based, keeps the batter moist without making it runny.
  • Vanilla extract: Just a teaspoon, but it deepens all the flavors and makes the whole thing taste more like a treat.
  • Old-fashioned rolled oats: Half a cup is the sweet spot—they soften into the bake while still keeping some texture.
  • Vanilla protein powder: One scoop gives you that protein boost without an artificial aftertaste, but don't skip this unless you're okay with a less satisfying breakfast.
  • Baking powder: Half a teaspoon helps the whole thing rise slightly and become fluffy in the center.
  • Salt: Just a pinch to make everything taste more vibrant.
  • Coconut sugar or brown sugar: One tablespoon mixed into the cinnamon swirl—coconut sugar caramelizes beautifully but brown sugar works just as well.
  • Ground cinnamon: One teaspoon, and don't hold back here; that's where the magic flavor comes from.
  • Melted butter or coconut oil: A teaspoon mixed with the cinnamon forms a swirl paste that marbles through the top.

Instructions

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Heat your oven and prepare:
Preheat to 350°F and lightly grease your ramekin—you want it just greased enough so the bake releases easily, not swimming in oil. If you forget this step, the edges will stick and you'll be frustrated.
Create the wet base:
Mash your banana thoroughly in a bowl until it's nearly smooth, then whisk in the egg, milk, and vanilla until everything is combined and smooth. This is where the banana bread foundation happens.
Mix the dry ingredients:
Stir the oats, protein powder, baking powder, and salt into the wet mixture until just combined—don't overmix or you'll end up with a dense brick instead of a tender cake. You want the texture to feel like thick pancake batter.
Pour and smooth:
Transfer the batter to your ramekin and use the back of a spoon to smooth the top into an even layer. This only takes a few seconds but makes the bake cook more evenly.
Make the swirl:
In a small bowl, mix the sugar, cinnamon, and melted butter into a thick paste that looks like wet sand. The butter keeps it from being dry, so don't skip that part.
Swirl magic:
Drop small spoonfuls of the cinnamon mixture across the top of the batter, then use a knife or skewer to drag it through in figure-eight motions. You're creating those beautiful marbled lines that make it look intentional and restaurant-worthy.
Bake until golden:
Slide it into the oven for 22 to 25 minutes—the edges should be set and golden, but the very center should still feel just slightly soft when you tap it. It will firm up as it cools, so don't overbake or it becomes dry.
Cool and serve:
Let it sit for 5 minutes so you don't burn your mouth, then eat it warm with whatever toppings call to you. Greek yogurt, banana slices, and nut butter all make it feel more indulgent.
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Season soups, salads, meats, and vegetables evenly while cooking with quick, one-handed grinding.
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A single-serve Cinnamon Swirl Protein Banana Baked Oats topped with banana slices and yogurt. Save
A single-serve Cinnamon Swirl Protein Banana Baked Oats topped with banana slices and yogurt. | bakozy.com

One morning last week, I was running late and almost skipped breakfast, but I remembered I had all these ingredients in my kitchen already. By the time I got my coffee ready, the baked oats were done, and suddenly breakfast didn't feel like a chore—it felt like a moment just for me. That's when I realized this recipe isn't just about nutrition; it's about taking 10 minutes to do something good for yourself before everything else starts.

Flavor Variations That Actually Work

Once you've made this version a few times, you'll start noticing how flexible it really is. I've swapped the vanilla protein for chocolate and turned the whole thing into a chocolate banana situation, and I've used chai spice instead of cinnamon when I was feeling adventurous. The beauty is that the banana is forgiving enough that as long as you keep the wet-to-dry ratio roughly the same, you can play around with the flavors.

Storage and Make-Ahead Secrets

I've learned that these actually keep beautifully in the fridge for a couple of days, which means you can batch-make them on Sunday if mornings are chaos. Just let them cool completely, cover the ramekin with plastic wrap, and reheat for about a minute in the microwave when you want it. It doesn't taste quite as fresh as eating it warm right after baking, but it's still tender and infinitely better than skipping breakfast altogether.

Customization and Topping Ideas

The base recipe is really just a canvas for whatever texture and toppings you're craving that morning. I'll sometimes stir chopped nuts or dark chocolate chips into the batter itself, or I'll top it with granola and yogurt for a parfait situation. The ramekin format means you can get creative without worrying about portion control because it's already portioned for you.

  • Stir in chopped pecans or walnuts before baking for a crunch that stays inside the cake.
  • Top with Greek yogurt, a drizzle of almond butter, and fresh banana slices for extra protein and creaminess.
  • Make a vegan version by swapping the egg for a flax egg and using plant-based milk and coconut oil instead of butter.
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Golden Cinnamon Swirl Protein Banana Baked Oats with a nut butter drizzle ready to eat. Save
Golden Cinnamon Swirl Protein Banana Baked Oats with a nut butter drizzle ready to eat. | bakozy.com

This recipe has genuinely changed how I think about breakfast—not as something rushed and forgettable, but as a moment that sets the tone for your whole day. Make it once and you'll understand why I can't stop talking about it.

Recipe FAQ

Can I make these baked oats vegan?

Yes, simply replace the egg with a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water, let sit for 5 minutes) and use plant-based milk instead of dairy. The texture remains just as satisfying.

What type of protein powder works best?

Vanilla protein powder creates the best flavor balance, but unflavored or chocolate varieties work well too. Whey or plant-based proteins both incorporate smoothly into the batter. Avoid protein powders with strong artificial aftertastes.

Can I prepare these the night before?

You can mix the dry and wet ingredients separately and store them in the refrigerator overnight. Combine and bake in the morning for fresh, warm oats. Alternatively, bake fully and reheat gently in the microwave.

How do I know when they're done baking?

The oats are ready when the center is just set and no longer jiggles, typically 22-25 minutes at 350°F. The top should be golden brown, and a knife inserted near the edge should come out clean while the center remains moist.

Can I double this recipe for multiple servings?

Absolutely—multiply the ingredients accordingly and use multiple ramekins or switch to a larger baking dish. Adjust baking time slightly if using a larger pan; the center may need a few extra minutes to set completely.

What toppings complement these baked oats?

Greek yogurt adds creaminess and extra protein, while fresh banana slices enhance the banana flavor. A drizzle of almond butter, peanut butter, or a sprinkle of chopped walnuts adds richness and crunch to each bite.

Cinnamon Swirl Protein Banana Oats

Tender oats blended with banana, swirled with cinnamon sugar, and packed with protein for a wholesome single-serve breakfast.

Prep duration
10 min
Heat time
25 min
Complete duration
35 min
Created by Natalie Harris


Complexity Easy

Heritage American

Output 1 Portions

Nutrition specifications Meat-free

Components

Wet Ingredients

01 1 medium ripe banana, mashed
02 1 large egg
03 1/2 cup unsweetened milk of choice
04 1 teaspoon vanilla extract

Dry Ingredients

01 1/2 cup old-fashioned rolled oats
02 1 scoop vanilla protein powder
03 1/2 teaspoon baking powder
04 Pinch of salt

Cinnamon Swirl

01 1 tablespoon coconut sugar or brown sugar
02 1 teaspoon ground cinnamon
03 1 teaspoon melted butter or coconut oil

Directions

Phase 01

Prepare Ramekin and Preheat Oven: Preheat oven to 350°F. Lightly grease an 8-10 ounce single-serving ramekin with cooking spray or butter.

Phase 02

Combine Wet Ingredients: In a mixing bowl, thoroughly mash the banana. Whisk in the egg, milk, and vanilla extract until the mixture is smooth and well combined.

Phase 03

Mix Dry Ingredients: Add the oats, protein powder, baking powder, and salt to the wet mixture. Stir until all ingredients are fully incorporated with no dry pockets.

Phase 04

Transfer Batter: Pour the oat batter into the prepared ramekin and smooth the top surface with a spatula.

Phase 05

Prepare Cinnamon Swirl: In a small bowl, combine the coconut sugar, cinnamon, and melted butter to create a paste-like consistency.

Phase 06

Apply Swirl Topping: Spoon the cinnamon mixture in small dollops over the batter surface. Using a knife or skewer, gently swirl through the top layer to create a marbled effect.

Phase 07

Bake Until Set: Bake for 22-25 minutes until the center is just set and the top is golden brown. A toothpick inserted should come out with moist crumbs.

Phase 08

Cool and Serve: Remove from oven and allow to cool for 5 minutes. Serve warm, optionally topped with yogurt, banana slices, or nut butter drizzle.

Tools needed

  • 8-10 ounce ramekin
  • Mixing bowl
  • Whisk
  • Small bowl
  • Spoon or skewer for swirling

Allergy details

Review each component for potential allergens and if uncertain, we recommend consulting with a healthcare provider.
  • Contains eggs
  • Contains milk if using dairy milk
  • May contain gluten if oats are not certified gluten-free
  • May contain tree nuts if using nut milk or nut toppings

Nutrient breakdown (per portion)

These values are estimates only and shouldn't replace professional medical guidance.
  • Energy: 340
  • Fats: 8 g
  • Carbohydrates: 48 g
  • Proteins: 21 g