High Protein Banana Blueberry Bake

My apartment still smells like bananas and cinnamon whenever I bake this, which is funny because I only discovered breakfast bakes by accident three winters ago when I was meal-prepping obsessed and had way too many overripe bananas on my counter.

I made this for my sister when she was training for a half marathon and she texted me three days later asking if I had another batch, which pretty much sealed the deal for me.

Ingredients

• 2 large ripe bananas mashed: The brown spots are your friend here. They break down easier and add natural sweetness so you can use less honey
• 2 large eggs: Room temperature eggs incorporate better into the batter. I learned this the hard way when cold eggs left tiny white streaks throughout
• 1 cup unsweetened Greek yogurt: This is where most of the protein comes from and it keeps everything incredibly moist
• 1/3 cup honey or pure maple syrup: Maple syrup gives a deeper flavor but honey makes it taste more like banana bread
• 1 cup unsweetened almond milk: Any milk works but almond keeps it lighter. Oat milk makes it slightly denser
• 1 tsp vanilla extract: Do not skip this. It ties everything together
• 2 cups old-fashioned rolled oats: Quick oats turn to mush and steel cut stay too crunchy. Old fashioned is the sweet spot
• 1/2 cup vanilla or plain protein powder: Vanilla protein powder makes it taste more dessertlike while plain keeps it simpler
• 1 1/2 tsp baking powder: This gives it that slight rise so it is not dense like a brick
• 1/2 tsp ground cinnamon: I sometimes do a full teaspoon because cinnamon and bananas are meant to be together
• 1/4 tsp salt: Just enough to make the flavors pop without tasting salty
• 1 1/2 cups fresh or frozen blueberries: Frozen berries work perfectly here and actually create these pretty purple streaks throughout
• Optional toppings: The walnuts add crunch but chia seeds are my secret for making it feel fancy without any extra work

Instructions

Preheat your oven and prep the pan:

Set your oven to 350°F and give your 9x9 baking dish a quick coating of butter or oil. I always forget this step until the batter is ready and then panic.

Whisk the wet ingredients together:

Mash those bananas until they are basically soup then whisk in the eggs yogurt honey milk and vanilla until it looks like a smooth thick milkshake.

Mix the dry ingredients in a separate bowl:

Combine the oats protein powder baking powder cinnamon and salt. This prevents any protein powder clumps which are the worst to bite into.

Combine everything:

Pour the dry ingredients into the wet bowl and stir just until combined. Do not overmix or it will turn dense and gummy.

Fold in the blueberries:

Gently fold the berries in at the end so they do not all burst and turn the whole thing purple though that would still taste delicious.

Transfer to your baking dish:

Pour the batter into your prepared pan and sprinkle whatever toppings you are using on top. The nuts will toast beautifully while baking.

Bake until golden:

Let it bake for 35 to 40 minutes until the top is golden and a toothpick comes out mostly clean. A few moist crumbs are fine.

Let it cool before slicing:

This is the hardest part but wait ten minutes. It needs this time to set up or it will fall apart when you cut it.

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This became my Sunday ritual after I realized I could eat it all week and actually look forward to breakfast instead of grabbing whatever was convenient and fast.

Make It Your Own

I have swapped the blueberries for chopped apples in fall and strawberries in summer. The base is so forgiving that almost any fruit works as long as you keep the total amount about the same.

Storage And Meal Prep

Cut it into six squares and store them in the fridge for up to five days. I wrap each piece individually so I can grab one on my way out the door. It also freezes beautifully for those weeks when meal prep just does not happen.

Serving Suggestions That Work

Sometimes I eat it cold straight from the fridge but warming it for thirty seconds makes the house smell amazing again. A dollop of Greek yogurt on top adds extra creaminess or a drizzle of peanut butter turns it into something borderline dessertlike.

• Sprinkle extra cinnamon on top right before serving for that fresh baked smell
• A splash of cold milk over warm pieces creates this comforting porridge vibe
• Pair with coffee and you have officially upgraded your morning routine

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There is something deeply satisfying about having a homemade breakfast ready to go. It makes busy mornings feel a little less rushed.

Recipe Questions & Answers

→ Can I make this breakfast bake ahead of time?

Yes, prepare the batter the night before and refrigerate. Add 5-10 minutes to the baking time if baking straight from the refrigerator. Leftovers keep well in the fridge for up to 5 days.

→ What type of protein powder works best?

Vanilla or plain whey or plant-based protein powder both work excellently. Avoid strongly flavored varieties as they may overpower the banana and blueberry flavors.

→ Can I use frozen blueberries instead of fresh?

Absolutely. Frozen blueberries work perfectly and may even create extra moisture. No need to thaw them first—simply fold them into the batter as directed.

→ How do I know when it's finished baking?

The bake is done when the top is golden brown and a toothpick inserted in the center comes out mostly clean. Some moist crumbs are fine, but it shouldn't be wet.

→ Can I substitute the bananas?

Applesauce or mashed sweet potato can replace bananas, though the flavor will change. For closest results, use very ripe mashed bananas as they provide natural sweetness and moisture.

→ Is this suitable for freezing?

Yes, individual portions freeze well for up to 3 months. Wrap slices tightly in plastic wrap and foil. Thaw overnight in the refrigerator or reheat in the microwave.