If you love the flavor of a warm cinnamon roll but want something more filling and balanced, this breakfast bake hits the spot. It’s soft, cinnamon-swirled, and sweet enough to feel special, yet packed with protein to keep you going. You can prep it ahead, bake it once, and enjoy easy slices all week.

It’s perfect for busy mornings, weekend brunch, or a post-workout breakfast. Plus, the simple glaze makes it feel bakery-level without the sugar crash.

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What Makes This Recipe So Good

Overhead shot of the baked and cooled Cinnamon Roll Protein Breakfast Bake in an 8x8 parchment-lined

High in protein: Greek yogurt, eggs, and protein powder give this bake staying power.
Cinnamon-roll vibes, without the fuss: No yeast, no kneading—just mix, bake, and drizzle.
Meal-prep friendly: Slices reheat beautifully in the microwave or air fryer.
Simple ingredients: Mostly pantry and fridge staples you likely already have.
Customizable sweetness: Use maple syrup, honey, or a zero-calorie sweetener, your call.

Ingredients

1 1/2 cups plain nonfat Greek yogurt
3 large eggs
1/2 cup unsweetened applesauce
1/3 cup maple syrup or honey (or 1/3 cup granular sweetener to taste)
1 teaspoon vanilla extract
1 cup vanilla or unflavored whey or plant-based protein powder
1 cup oat flour (or finely ground rolled oats)
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon fine salt
2 teaspoons ground cinnamon
1/4 teaspoon ground nutmeg (optional)
2 tablespoons melted coconut oil or unsalted butter
1/4 cup mini chocolate chips or chopped pecans (optional)

Cinnamon Swirl:

2 tablespoons melted coconut oil or butter
2 tablespoons brown sugar or coconut sugar (or a brown sugar-style sweetener)
1 1/2 teaspoons ground cinnamon

Simple Glaze:

1/2 cup powdered sugar (or powdered sweetener)
1–2 tablespoons milk of choice
1/4 teaspoon vanilla extract

How to Make It

Close-up process shot of the second swirl step: half the batter spread, then final layer marbled wit

Prep the pan: Heat oven to 350°F (175°C). Grease an 8×8-inch baking dish or line with parchment.
Mix the wet ingredients: In a large bowl, whisk Greek yogurt, eggs, applesauce, maple syrup, and vanilla until smooth.
Add the dry ingredients: Stir in protein powder, oat flour, baking powder, baking soda, salt, cinnamon, and nutmeg.
Fold in 2 tablespoons melted oil or butter. The batter will be thick but spreadable.
Make the swirl: In a small bowl, combine melted oil or butter, brown sugar, and cinnamon.
Assemble: Spread half the batter in the dish. Drizzle half the swirl over it.
Add remaining batter, then the rest of the swirl. Use a knife to gently marble it. Sprinkle chocolate chips or nuts if using.
Bake: Bake 22–30 minutes, until the center is set and a toothpick comes out mostly clean.
Don’t overbake or it will dry out.
Glaze: Whisk powdered sugar, milk, and vanilla until pourable. Let the bake cool 10–15 minutes, then drizzle over the top.
Slice and serve: Cut into 9 squares. Enjoy warm or at room temperature.

Keeping It Fresh

Fridge: Store slices in an airtight container for 4–5 days.
Freezer: Wrap slices individually and freeze up to 2 months.
Thaw overnight in the fridge.
Reheat: Microwave 20–30 seconds or warm in a 300°F (150°C) oven or air fryer for 5–7 minutes.
Glaze later: For longer storage, glaze just before serving to avoid sogginess.

Why This is Good for You

Protein for satiety: Helps keep you full and supports muscle repair.
Whole-grain carbs: Oat flour offers fiber for steady energy.
Better-for-you fats: A small amount of coconut oil or butter adds flavor and satisfaction.
Smart sweetness: You control the sugar. Natural or low-calorie options both work.

Pitfalls to Watch Out For

Overbaking: Protein bakes can dry out quickly. Pull it as soon as the center sets.
Using too much protein powder: Extra scoops can make it rubbery.
Stick to the measured amount.
Skipping fat entirely: A little fat keeps the texture tender and adds flavor.
Thick batter panic: It should be thick. If it’s crumbly, add 1–2 tablespoons milk to loosen.
Wrong pan size: A larger pan thins the batter and overbakes the edges.

Recipe Variations

Apple cinnamon: Fold in 1 cup finely diced apple and a pinch of extra cinnamon.
Blueberry swirl: Add 3/4 cup blueberries and swap the swirl for a quick berry compote.
Carrot cake twist: Stir in 1 cup grated carrot, 1/2 teaspoon cinnamon extra, and a handful of walnuts.
Dairy-free: Use plant-based yogurt, plant protein, and dairy-free milk for the glaze.
Gluten-free: Choose certified gluten-free oats and a GF protein powder.
Cream cheese drizzle: Whisk softened light cream cheese with a little milk and sweetener for a richer topping.

FAQ

Can I make this without protein powder?

Yes. Replace the 1 cup protein powder with 3/4 cup additional oat flour and 1/4 cup almond flour.

Texture will be slightly different but still moist and tasty.

What kind of protein powder works best?

Whey or a smooth plant blend works well. Avoid gritty powders. If your powder is very sweet, reduce the added sweetener slightly.

Can I bake this in a loaf pan?

You can, but it will be thicker and take longer—about 40–50 minutes.

Tent with foil if the top browns too fast.

How do I know it’s done?

The edges will pull slightly from the sides, and a toothpick in the center comes out mostly clean with a few moist crumbs.

Can I make it the night before?

Yes. You can bake it fully, cool, cover, and refrigerate. Glaze just before serving.

Or mix the batter, refrigerate overnight, and bake in the morning, adding 3–5 extra minutes.

Wrapping Up

This Cinnamon Roll Protein Breakfast Bake gives you all the cozy flavor you crave with a balanced, protein-packed twist. It’s easy to make, easy to store, and easy to customize. Keep a batch on hand for quick, satisfying mornings that still feel a little special.