Banana Protein Oatmeal

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This Banana Protein Oatmeal is a quick, high-protein, no-added-sugar breakfast you can make in about 5 minutes right in the microwave. It uses simple pantry ingredients for a cozy, satisfying start to the day!

318 CAL 48g CARBS 9g FAT 12g PROTEIN 1
8 Comments

Some mornings, you just need a breakfast that you can throw together in minutes and still feel good about. This banana protein oatmeal has become that “go-to” bowl in our house. It’s warm, creamy, naturally sweet from ripe bananas, and packed with enough protein to actually keep you full.

I love that it feels like a treat but is secretly made with ingredients I almost always have on hand: oats, a spotty banana, an egg, almond milk, and chia seeds. Everything gets mixed in one bowl, popped in the microwave, and breakfast is done before the coffee finishes brewing.

It is also super easy to customize. Some days I stir in peanut butter and chocolate chips, other days I pile on berries and almonds. My kids love it with extra cinnamon and a few mini chocolate chips on top. You can keep it dairy-free, gluten-free (with certified oats), and there is no need for added sugar unless you want it a little sweeter!

If you like starting your day with something cozy that doesn’t weigh you down, this banana protein oatmeal is such a simple little recipe to keep in your back pocket.

Overhead view of a kitchen counter with ingredients: bananas, oats, chopped nuts, chia seeds, chocolate sprinkles, milk, egg, and a jar of cinnamon.

Before You Get Started

Here are a few quick things to know before you make this banana protein oatmeal so it turns out perfectly every time.

  • Pick the right oats: Rolled oats work best for this recipe and give you a nice, creamy texture. Quick-cooking rolled oats also work, but regular steel-cut oats will not soften enough in the microwave.
  • Use a very ripe banana: The riper the banana, the sweeter your oatmeal will be without any added sugar. Bananas with brown spots are perfect here.
  • Decide how you want the egg: A whole egg makes the oatmeal extra fluffy and adds more protein. You can swap in egg whites if you prefer, just whisk them in really well so there are no streaks.
  • Choose your milk: Unsweetened almond milk keeps things light, but any milk you like will work. Add a little extra if you prefer looser, creamier oats.
  • Grab a large microwave-safe bowl: Use a bigger mug or bowl than you think you need so the oatmeal has room to bubble up without overflowing. Lightly greasing the bowl helps with easy cleanup.

How to Make Banana Protein Oatmeal

Here are the simple steps to make this protein-packed oatmeal right in your microwave.

1. Mix The Banana And Egg

Spray a large microwave-safe bowl or mug with cooking spray. Mash the banana in the bottom of the bowl until mostly smooth, then stir in the egg until everything is fully combined.

2. Add The Oats, Milk, And Flavorings

Stir in the rolled oats, almond milk, chia seeds, and cinnamon. Mix well so there are no dry pockets of oats and the chia seeds are evenly distributed throughout the mixture.

3. Microwave And Stir Until Thick

Microwave the oatmeal in short bursts, stopping to stir in between so it cooks evenly and does not bubble over. Continue microwaving and stirring until the oats are thickened, the egg is cooked through, and the texture is creamy. Let it sit for a minute to finish thickening, then add your favorite toppings and enjoy.

Best Oatmeal Topping Ideas

One of the best things about oats is how insanely versatile they are. You can use them to make oatmeal, muffins, granola bars, baked oats, and smoothies. You can also top them in about a million different ways, depending on what flavors you like and what you have at home.

I love a simple bowl of oatmeal with some fresh fruit and nut butter, but I also love getting creative occasionally. If you’re unsure of what to top oatmeal with, here are some of my favorite oatmeal topping ideas to choose from:

  • Fresh fruit (bananas, berries, peaches, cherries, etc.)
  • Chopped nuts (almonds, walnuts, pecans, etc.)
  • Chocolate chips
  • Nut butter (peanut, almond, cashew)
  • Seeds (chia seeds, pumpkin seeds, hemp seeds, flax seeds)
  • Shredded coconut
  • Dried fruit (raisins, cranberries, apricots)
  • Sweetener (honey, maple syrup, agave)
  • Spices (vanilla, cinnamon, nutmeg)

Recipe Tips and Tricks

Here are the best pro tips to make this Banana Protein Oatmeal come out perfectly every single time.

  • Boost the protein: For an extra protein hit, add a spoonful of nut butter, a scoop of vanilla protein powder, a dollop of Greek yogurt, or a little cottage cheese after cooking. If you add protein powder, stir in a splash of extra milk so the oats stay creamy.
  • Play with flavor add-ins: Stir in vanilla extract, cocoa powder, pumpkin pie spice, or a pinch of nutmeg to change up the flavor. A teaspoon of cocoa plus a few chocolate chips turns this into a seriously good chocolate breakfast bowl.
  • Adjust the sweetness naturally: This recipe relies on banana for sweetness. If you like things sweeter, drizzle on a little honey, maple syrup, or agave at the end instead of mixing it into the base so you can control each serving.
  • Make it vegan-friendly: Skip the egg and use your favorite plant-based milk. The chia seeds will help thicken the oats, though the texture will be a bit less fluffy and more like classic oatmeal.
  • Tweak the texture: If your oats are thicker than you like, stir in a little more milk after cooking until you reach your perfect consistency. If they are thinner, let them sit for a couple of minutes so the chia seeds can absorb more liquid.
  • Turn it into a portable breakfast: Cook the oatmeal in a larger bowl, then portion it into jars or containers once it cools slightly. Add toppings, close the lid, and you have a grab-and-go breakfast for busy mornings.

Bowl of oatmeal topped with sliced bananas, walnuts, and chocolate sprinkles, set beside whole bananas on a light surface, creating a cozy, inviting scene.

Storage & Reheating

Here are the best ways to store, reheat, and repurpose your banana protein oatmeal.

  • Store in the fridge: Let the oatmeal cool completely, then transfer it to an airtight container or jars. Store in the refrigerator for 3–5 days and keep toppings separate until serving.
  • Store in the freezer: Portion the cooled oatmeal into freezer-safe containers, leaving a little room at the top. Freeze for 3–4 months and label with the date so you remember what you tucked away.
  • Reheat for breakfast: Reheat in the microwave with a splash of milk or water, stirring halfway so it warms evenly and loosens back up. You can also reheat gently on the stovetop over low heat.

Frequently Asked Questions

Here are some of the most commonly asked questions about this recipe:

Yes. Add all the ingredients to a small saucepan, whisk to combine, and cook over medium-low heat, stirring often, until the oats are thickened and the egg is fully cooked. Keep the heat gentle so the mixture does not scramble and the texture stays smooth and creamy.

 

It is best not to mix the raw egg into the oats and milk hours ahead. If you want to save time in the morning, mash the banana and stir it together with the oats, chia, cinnamon, and milk in the fridge overnight. In the morning, stir in the egg right before cooking.

 

Banana adds both sweetness and creaminess, but you can swap it if needed. Try using unsweetened applesauce, pumpkin puree, or mashed pear instead, then sweeten to taste with a little honey or maple syrup, since these options are less sweet than ripe bananas.

 

Yes. You can scale the ingredients up and cook the oatmeal in a larger microwave-safe bowl or on the stovetop. If you are using the microwave, work in batches so the oatmeal cooks evenly and does not overflow. For the stovetop, use a medium saucepan and stir frequently as it thickens.

 

A bowl of oatmeal topped with sliced bananas, walnuts, and chocolate sprinkles, surrounded by a splash of milk. The setting is cozy and inviting.
The Recipe
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Banana Protein Oatmeal

318 CAL 48g CARBS 9g FAT 12g PROTEIN 1
PREP TIME: 2 Min
COOK TIME: 3 Min
TOTAL TIME: 5 Min
8 Comments
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Ingredients

US METRICS
  • 1 banana (very ripe)
  • 1 egg
  • 1/3 cup rolled oats
  • 1/2 cup unsweetened almond milk
  • 1/2 tbsp. chia seeds
  • 1/4 tsp. cinnamon

Instructions

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1

Spray a bowl with cooking spray to prevent sticking. Mash a banana in the bottom of the bowl. Stir in the egg. Then add the remaining ingredients and stir well. Make sure to use a large mug or bowl so it doesn't bubble over.

2

Microwave for 1 minute and stir. Microwave for another minute and stir. Microwave in 30-second increments until finished. In my microwave, it took 3:00 minutes total.

Equipment

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Nutritional Facts
Serving Size: 1 cup
Amount Per Serving
Calories 318
Calories from Fat 85
% Daily Value *
Total Fat 9g
15%
Saturated Fat 2g
11%
Monounsaturated Fat 0g
0%
Polyunsaturated Fat 0g
0%
Cholesterol 186mg
62%
Sodium 151mg
7%
Total Carbohydrate 48g
16%
Dietary Fiber 8g
31%
Sugars 15g
Protein 12g

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Nutritional Values provided are estimates only and may vary based on the preparation method.

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About the author Meet Kristen McCaffrey
Hi, I’m the cookbook author, recipe developer, and food enthusiast behind Slender Kitchen. I am obsessed with making healthy food that is easy to prepare and absolutely delicious. Meal planning is my secret weapon and I hope I can make meal time easier for you with our tried and tested recipes and foolproof meal plans. Learn More
† We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
8 Comments
On Banana Protein Oatmeal
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Patricia
April 4, 2024 - 13:26
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4
For health reasons we don't use a microwave, can I cook it on the stove top? If so, for how long might you think?
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August 28, 2024 - 09:38
Absolutely! With traditional rolled oats it will take 4-5 minutes on the stovetop. Cook it over medium heat and add a touch of extra milk if needed.
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Nelly Steele
February 7, 2020 - 09:02
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4
quite yummy. perfect for a cold morning. I think I will try to microwave for a bit less time to start. it did seem a little dry (or add more milk)
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August 28, 2024 - 09:39
Thanks for sharing! You can also stir in a little extra milk when it comes out of the microwave.
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Claudia
July 29, 2018 - 05:54
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4
It was really good and kept me full
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August 28, 2024 - 09:39
Glad to hear you enjoyed it! The eggs really help to make this nice and filling.
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Katie Martinson
April 10, 2017 - 16:50
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4
I have to admit I was skeptical since I've tried overnight oats several times and never been satisfied. I thought for sure I was going to want to add some brown sugar or sweetener but I was pleasantly surprised. I didn't add any extra sweetener at all and I thought it was quite good :)
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August 28, 2024 - 09:39
It's amazing how much sweetness bananas add, especially when they are ripe. Glad you enjoyed it!
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