Moist Banana Breakfast Muffins with Chia Seeds and Oat Flour

Name: Moist Banana Breakfast Muffins with Chia Seeds and Oat Flour
Prep time: 10 min
Cook time: 22 min
Total time: 32 min
Yield: 12 servings
Ingredients: 3 medium ripe bananas (heavily spotted for best sweetness, approximately 300g peeled weight); 200 g whole grain oat flour (certified gluten-free if needed); 3 tablespoons chia seeds (whole seeds, not ground); 150 g plain Greek yogurt (full-fat or 2% for best moisture); 2 large eggs (at room temperature); 3 tablespoons pure maple syrup (or honey as an alternative); 3 tablespoons coconut oil (melted and cooled slightly); 1 teaspoon pure vanilla extract; 1.5 teaspoons baking powder (aluminium-free preferred); 0.5 teaspoon bicarbonate of soda; 1 teaspoon ground cinnamon; 0.25 teaspoon fine sea salt; 30 g vanilla or unflavoured protein powder (plant-based or whey both work); 1 tablespoon chia seeds (for topping)

High ProteinMeal PrepNut-Free

Prep Time10 min

Cook Time22 min

Servings12

Calories168 kcal

Health Score6/10

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Moist Banana Breakfast Muffins with Chia Seeds and Oat Flour

There is something deeply satisfying about pulling a tray of golden, fragrant muffins from the oven first thing in the morning. These moist banana breakfast muffins with chia seeds are the kind of recipe you will find yourself making on repeat, not just because they taste incredible, but because they genuinely fuel your body for the day ahead. Made with ripe bananas, oat flour, Greek yogurt and a generous handful of chia seeds, each muffin delivers real nutrition without the sugar crash that follows a typical bakery muffin.

What makes these muffins stand apart from traditional banana muffins is the thoughtful swap of ingredients. Instead of refined white flour, we use whole grain oat flour, which brings a slightly nutty flavour and a solid dose of soluble fibre. Greek yogurt steps in where butter would normally sit, keeping the crumb beautifully moist while adding a meaningful protein boost. The chia seeds do double duty here, contributing omega-3 fatty acids and extra fibre while also acting as a gentle binder that holds everything together. A small amount of pure maple syrup provides just enough natural sweetness, letting the ripe bananas do most of the heavy lifting on flavour. The result is a muffin that feels indulgent but clocks in at a fraction of the sugar and calories of a standard recipe.

Ripe bananas are the real secret to a deeply moist crumb. Look for bananas with plenty of brown spots on the skin, the kind most people are tempted to throw away. Those overripe bananas are sweeter, softer and far easier to mash into a smooth puree that distributes evenly through the batter. If your bananas are not quite there yet, you can pop them unpeeled onto a baking sheet and roast them at 150C for about 15 minutes. The skins will turn black and the flesh will become jammy and sweet, giving you exactly what you need. Combined with the tangy Greek yogurt and the earthy oat flour, that banana flavour comes through in every single bite.

These muffins are brilliant for meal prep. Bake a batch on Sunday evening and you have breakfast sorted for the whole week. They reheat gently in the microwave in about 20 seconds, or you can enjoy them straight from the container at room temperature. Pack one alongside a boiled egg or a handful of nuts for a complete morning meal that keeps hunger at bay for hours. They also freeze beautifully, so doubling the batch and stashing half in the freezer is always a smart move. Kids love them, gym-goers love them and anyone who appreciates a breakfast that actually tastes good while still being genuinely good for them will love them too.

Ingredients

Serves:12

3 medium ripe bananas (heavily spotted for best sweetness, approximately 300g peeled weight)
200 g whole grain oat flour (certified gluten-free if needed)
3 tablespoons chia seeds (whole seeds, not ground)
150 g plain Greek yogurt (full-fat or 2% for best moisture)
2 large eggs (at room temperature)
3 tablespoons pure maple syrup (or honey as an alternative)
3 tablespoons coconut oil (melted and cooled slightly)
1 teaspoon pure vanilla extract
1.5 teaspoons baking powder (aluminium-free preferred)
0.5 teaspoon bicarbonate of soda
1 teaspoon ground cinnamon
0.3 teaspoon fine sea salt
30 g vanilla or unflavoured protein powder (plant-based or whey both work)
1 tablespoon chia seeds (for topping)

Instructions

1
Preheat your oven to 180C (160C fan) and line a 12-hole standard muffin tin with paper liners or lightly grease each cavity with a little coconut oil.
Greasing the top flat surface of the tin prevents any overflow from sticking and makes removal much easier.
2
Peel the ripe bananas and place them in a large mixing bowl. Mash thoroughly with a fork until you have a smooth puree with only a few small lumps remaining. The smoother the mash, the more evenly the moisture distributes through each muffin.
A potato masher works even faster than a fork if you have one handy.
3
Add the Greek yogurt, eggs, melted coconut oil, maple syrup and vanilla extract to the mashed banana. Whisk everything together until fully combined and the mixture looks uniform and glossy.
Make sure the coconut oil has cooled slightly before adding it, otherwise it can begin to cook the eggs.
4
In a separate medium bowl, combine the oat flour, protein powder, chia seeds, baking powder, bicarbonate of soda, ground cinnamon and sea salt. Stir well with a dry whisk to evenly distribute the leavening agents and spice through the flour.
5
Pour the dry ingredients into the wet ingredients and fold gently with a spatula until just combined. Stop mixing as soon as you can no longer see streaks of dry flour. A few small lumps are completely fine and will bake out.
Overmixing develops the oat flour and can make the muffins dense and rubbery. Less is genuinely more here.
6
Let the batter rest for 5 minutes. This short rest allows the chia seeds to begin absorbing moisture and the oat flour to hydrate, which gives the muffins a better rise and a more tender crumb.
7
Divide the batter evenly among the 12 prepared muffin cups using an ice cream scoop or a large spoon. Each cup should be about three-quarters full. Scatter a few extra chia seeds over the top of each muffin for a decorative finish and added crunch.
An ice cream scoop ensures every muffin is exactly the same size, which means they all bake at the same rate.
8
Bake in the preheated oven for 20 to 22 minutes, until the muffin tops are set and lightly golden and a toothpick inserted into the centre of a muffin comes out clean or with just a few moist crumbs attached.
Avoid opening the oven door before the 18-minute mark or the muffins may sink in the centre.
9
Remove the tin from the oven and allow the muffins to cool in the tin for 5 minutes before transferring them to a wire rack. Let them cool for at least another 10 minutes before eating. They firm up and develop better texture as they cool.
Eating them straight from the oven can make them seem underbaked. Give them time to set properly.

Nutrition per serving

168kcal

Calories

Protein

22g

Carbs

Fat

Fibre

Sugar

145mg

Sodium

Pro Tips

✓
The riper the bananas, the sweeter and more flavourful your muffins will be. Aim for bananas with lots of brown or black spots on the skin.
✓
Do not skip the 5-minute batter rest. It makes a noticeable difference to the final texture by giving the chia seeds and oat flour time to hydrate.
✓
If you want taller muffin tops, fill the cups to about 80% full and bake at 185C for the first 5 minutes, then reduce to 180C for the remaining time.
✓
Use a kitchen scale for the oat flour rather than scooping from the bag directly, which can lead to using too much and making the muffins dry.
✓
For a warm spice variation, add a pinch of ground nutmeg and a pinch of ground ginger alongside the cinnamon.
✓
These muffins taste even better on day two once the flavours have had time to meld together.

Frequently Asked Questions

Why are my banana muffins dense instead of fluffy?↓

Dense muffins are usually caused by overmixing the batter or using too much flour. Fold the batter gently until just combined and measure your oat flour by weight for the most accurate result. Also check that your baking powder is fresh, as old leavening agents lose their potency.

Can I make these moist banana breakfast muffins with chia seeds without eggs?↓

Yes. Replace each egg with a flax egg made by mixing one tablespoon of ground flaxseed with three tablespoons of water and letting it sit for 5 minutes until gel-like. The muffins will be slightly denser but still delicious and fully plant-based.

Can I use regular all-purpose flour instead of oat flour?↓

You can, but the muffins will be less nutritious. If you substitute plain flour, use the same weight measurement. The texture will be slightly lighter but you will lose the extra fibre and whole grain benefits that oat flour provides.

Do I need to grind the chia seeds or can I use them whole?↓

You can use them whole, which is exactly what this recipe calls for. Whole chia seeds add a pleasant gentle crunch and your body can still absorb many of their nutrients. Ground chia seeds will make the muffins slightly smoother in texture if you prefer that.

How many calories are in each muffin?↓

Each muffin contains approximately 168 calories, along with 7 grams of protein, 5 grams of fibre and only 6 grams of sugar. This makes them a genuinely balanced breakfast option compared to a typical banana muffin, which can have twice the sugar and far less protein.

Can I freeze these muffins?↓

Absolutely. Once fully cooled, place the muffins in a single layer in a zip-lock bag or airtight container and freeze for up to 3 months. Thaw overnight in the fridge or at room temperature for about an hour. A quick 25-second blast in the microwave brings them back to fresh-baked warmth.

Variations

•
Chocolate Chip Banana Chia Muffins
Fold 60g of dark chocolate chips (70% cocoa or higher) into the finished batter before portioning. The dark chocolate adds antioxidants and a rich, indulgent flavour while keeping the added sugar relatively low.
•
Walnut and Banana Chia Muffins
Add 60g of roughly chopped walnuts to the batter for an extra hit of omega-3 fatty acids and a satisfying crunch. Walnuts pair beautifully with banana and cinnamon and make the muffins even more filling.
•
Blueberry Banana Chia Muffins
Gently fold 100g of fresh or frozen blueberries into the batter just before portioning. Blueberries add antioxidants and natural sweetness, and they create beautiful purple streaks through the golden crumb.
•
Peanut Butter Banana Chia Muffins
Replace the coconut oil with 3 tablespoons of natural smooth peanut butter for a richer, nuttier flavour and an even higher protein content per muffin. This variation is particularly popular as a post-workout breakfast.

Substitutions

•
Greek yogurt → Coconut yogurt (Use a thick, unsweetened coconut yogurt to keep the recipe fully dairy-free and vegan. The muffins will be equally moist with a very slight coconut undertone.)
•
Coconut oil → Light olive oil or avocado oil (Use the same quantity. These neutral oils work just as well and are great options if you prefer to avoid the subtle coconut flavour.)
•
Maple syrup → Honey or date syrup (Both work as a one-to-one swap. Date syrup has a slightly deeper, caramel-like flavour and a lower glycaemic index than regular maple syrup.)
•
Protein powder → Extra oat flour (If you prefer to skip the protein powder, simply replace it with 30g of additional oat flour. The protein content per muffin will be slightly lower but the texture and flavour remain great.)
•
Oat flour → Almond flour (Use the same weight measurement. Almond flour will make the muffins slightly more dense and moist with a richer flavour. The muffins will also be lower in carbohydrates and higher in healthy fats.)
•
Eggs → Flax eggs (Mix 1 tablespoon of ground flaxseed with 3 tablespoons of water per egg and rest for 5 minutes before using. This makes the recipe fully vegan and egg-free.)

🧊 Storage

Store cooled muffins in an airtight container at room temperature for up to 2 days, or in the refrigerator for up to 5 days. For longer storage, freeze in an airtight bag for up to 3 months. Reheat from frozen in the microwave for 30 to 40 seconds or in a low oven at 150C for 8 to 10 minutes.

📅 Make Ahead

These muffins are ideal for weekly meal prep. Bake a full batch on Sunday and store in the fridge for grab-and-go breakfasts throughout the week. The batter can also be prepared the night before and stored covered in the fridge overnight. Give it a gentle stir before portioning and baking the next morning.