No Sugar Banana Overnight Oats with Almond Butter

Name: No Sugar Banana Overnight Oats with Almond Butter
Prep time: 5 min
Total time: 8 h 5 min
Yield: 1 serving
Ingredients: 1/2 cup old-fashioned rolled oats (use certified gluten-free oats if needed); 1/2 cup unsweetened almond milk (or any plain plant-based milk); 1/4 cup plain unsweetened Greek yoghurt (use coconut yoghurt for dairy-free); 1 tablespoon chia seeds; 2 tablespoons natural unsalted almond butter (smooth or crunchy, no added sugar or oil); 1 medium ripe banana (the riper the better for natural sweetness); 1/2 teaspoon ground cinnamon; 1/4 teaspoon pure vanilla extract (optional but adds warmth); 1 pinch fine sea salt (brings out the almond butter flavour)

High ProteinMeal PrepEgg-Free

Prep Time5 min

Servings1

Calories415 kcal

Health Score6/10

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Some mornings you just need breakfast to take care of itself. That is exactly what these no sugar banana overnight oats with almond butter do. You spend five minutes the night before, shake a few wholesome ingredients into a jar, and wake up to a creamy, filling, naturally sweet breakfast that requires zero effort from your morning self. No stovetop, no blender, no stress.

What makes this recipe genuinely healthier than most overnight oat recipes you will find online is the complete absence of added sugar in any form. No honey, no maple syrup, no flavoured yoghurt sneaking in hidden sweetness. The sweetness here comes entirely from a ripe banana, which also provides potassium and natural fibre. A ripe banana with brown spots is your best friend in this recipe because the natural sugars are more pronounced and the banana mashes into the oat mixture beautifully, acting almost like a creamy binding agent. Alongside the banana, the almond butter brings healthy monounsaturated fats and a rich, nutty depth that makes this taste far more indulgent than it actually is. Two tablespoons of natural, unsalted almond butter also contribute around 3 grams of protein on their own, which adds up fast.

The protein content here is something worth highlighting. Standard overnight oat recipes often clock in at 8 to 10 grams of protein, which is decent but not enough to carry you through a busy morning without reaching for a mid-morning snack. This version uses rolled oats as the base, adds a full tablespoon of chia seeds for extra fibre and omega-3 fatty acids, and then folds in a generous scoop of plain, unsweetened Greek yoghurt. That combination brings the total protein up to around 20 grams per serving, which is genuinely impressive for a breakfast that takes no cooking at all. The chia seeds also absorb liquid overnight and create a thick, pudding-like texture that feels substantial and satisfying. Fibre sits at roughly 8 grams per serving, which supports digestive health and helps keep blood sugar steady through the morning.

Assembly is as simple as it gets. Everything goes into a jar or airtight container, you stir it well, press a layer of plastic wrap or a lid on top, and the fridge does all the work. By morning the oats have softened, the chia seeds have swelled, the banana has melded into the mixture, and the almond butter has created little ribbons of nutty richness throughout. A fresh banana slice or a sprinkle of cinnamon on top before eating adds a lovely finishing touch. You can prep up to four jars at once for the whole week, making this one of the most practical meal prep breakfasts you can add to your routine. It keeps well for up to four days in the fridge, so Monday through Thursday breakfast is completely sorted.

Ingredients

Serves:1

1 cup old-fashioned rolled oats (use certified gluten-free oats if needed)
1 cup unsweetened almond milk (or any plain plant-based milk)
1 cup plain unsweetened Greek yoghurt (use coconut yoghurt for dairy-free)
1 tablespoon chia seeds
2 tablespoons natural unsalted almond butter (smooth or crunchy, no added sugar or oil)
1 medium ripe banana (the riper the better for natural sweetness)
1 teaspoon ground cinnamon
1 teaspoon pure vanilla extract (optional but adds warmth)
1 pinch fine sea salt (brings out the almond butter flavour)

Instructions

1
Peel the banana and place it in your jar or container. Use a fork to mash it thoroughly until smooth with only a few small lumps remaining. The mashed banana acts as the natural sweetener and a creamy base for everything else.
A banana with plenty of brown spots on the skin will be sweeter and easier to mash.
2
Add the rolled oats, chia seeds, ground cinnamon, vanilla extract, and sea salt directly on top of the mashed banana in the jar.
3
Spoon in the Greek yoghurt and pour in the almond milk. Add the almond butter on top. Stir everything together well, making sure the oats are fully coated and the almond butter is evenly distributed throughout the mixture rather than sitting in one clump.
If your almond butter is very thick and stiff, warm it in a microwave for 10 seconds first so it stirs in more easily.
4
Seal the jar with a lid or cover tightly with cling film. Place in the refrigerator for a minimum of 6 hours, but ideally overnight for the best creamy texture.
Eight hours is the sweet spot. Less than 6 hours and the oats may still feel slightly grainy.
5
In the morning, remove the jar from the fridge and give the oats a good stir. If the mixture feels thicker than you like, splash in a small amount of almond milk and stir to loosen it to your preferred consistency.
6
Top with a few fresh banana slices, an extra drizzle of almond butter, or a light dusting of cinnamon. Eat straight from the jar, cold, and enjoy.
You can also eat these slightly warm. Pop the jar in the microwave for 60 to 90 seconds, stir well, and top as usual.

Nutrition per serving

415kcal

Calories

20g

Protein

48g

Carbs

16g

Fat

Fibre

14g

Sugar

140mg

Sodium

Pro Tips

✓
Use the ripest banana you can find. Black-spotted bananas are actually ideal here and pack the most natural sweetness.
✓
Stir the almond butter jar well before measuring to get a consistent texture without the separated oil sitting on top.
✓
Old-fashioned rolled oats give the best creamy texture. Quick oats go too mushy and steel-cut oats stay too firm without longer soaking.
✓
Prep four jars on Sunday evening and you have breakfast sorted for most of the working week.
✓
If you prefer a thicker, more pudding-like consistency, increase the chia seeds to 1.5 tablespoons.
✓
Always use unsweetened, natural almond butter with no added sugar or palm oil for the most nutritious result.

Frequently Asked Questions

Are these overnight oats really no sugar?↓

Yes. There is no added sugar, honey, maple syrup, or sweetened ingredient in this recipe. All sweetness comes from the natural sugars in the ripe banana. The riper the banana, the sweeter your oats will taste without any added sugar at all.

How long do no sugar banana overnight oats keep in the fridge?↓

They keep well for up to 4 days when stored in a sealed jar or airtight container in the fridge. For the freshest flavour and texture, add any fresh banana slices as a topping just before eating rather than storing them inside the jar.

Can I make this recipe dairy-free?↓

Absolutely. Swap the Greek yoghurt for an unsweetened coconut yoghurt or any plain, unsweetened plant-based yoghurt. Use almond milk or oat milk as the liquid. Every other ingredient is already dairy-free.

What if I do not have almond butter?↓

Any natural, unsweetened nut or seed butter works well. Cashew butter gives a very similar creamy result. Sunflower seed butter is a great nut-free alternative that still delivers healthy fats and a pleasant flavour.

Can I eat these warm instead of cold?↓

Yes. Transfer the oats to a microwave-safe bowl and heat for 60 to 90 seconds, stirring halfway through. The texture changes slightly and becomes more like a warm oatmeal bowl, which is lovely in colder months.

How do I increase the protein even further?↓

Stir in one scoop of an unflavoured or vanilla protein powder when assembling the jar. You can also use a higher-protein plant-based milk such as soy milk instead of almond milk, which adds an extra 3 to 4 grams of protein with no extra prep.

Variations

•
Chocolate Almond Banana Oats
Add 1 tablespoon of raw unsweetened cacao powder when mixing the oats. It creates a rich chocolate flavour without any added sugar, and pairs beautifully with the banana and almond butter.
•
Tropical Protein Boost
Replace half the banana with mashed frozen mango, add a tablespoon of hemp seeds alongside the chia seeds, and use coconut-flavoured Greek yoghurt for a tropical twist with extra protein.
•
Spiced Chai Banana Oats
Add a pinch of ground cardamom, a pinch of ground ginger, and an extra quarter teaspoon of cinnamon to the mixture. Use chai-flavoured unsweetened almond milk if you can find it for a warming, aromatic flavour.
•
Berry and Almond Butter
Fold in 2 tablespoons of fresh or frozen blueberries alongside the mashed banana. The berries add antioxidants, a slight tartness that balances the banana sweetness, and a beautiful purple swirl through the oats.

Substitutions

•
Greek yoghurt → Coconut yoghurt or soy yoghurt (Use plain, unsweetened versions only to keep the recipe no-sugar. Coconut yoghurt reduces the protein content slightly but keeps the recipe dairy-free and vegan.)
•
Almond milk → Soy milk, oat milk, or full-fat coconut milk (Soy milk increases protein. Oat milk adds a slightly sweeter, creamier flavour. Coconut milk makes the oats richer and more calorie-dense.)
•
Almond butter → Cashew butter, sunflower seed butter, or tahini (Sunflower seed butter is the best nut-free option. Tahini has a slightly more bitter, earthy flavour but works well and keeps the recipe nut-free.)
•
Chia seeds → Ground flaxseed (Use the same quantity. Flaxseed adds a slightly nuttier flavour and still thickens the mixture well overnight. It also provides omega-3 fatty acids.)
•
Ripe banana → Mashed ripe mango or unsweetened applesauce (Both provide natural sweetness without added sugar. Applesauce gives a lighter flavour while mango keeps the tropical, fruity character.)

🧊 Storage

Store in a sealed glass jar or airtight container in the refrigerator for up to 4 days. Do not freeze as the banana and yoghurt texture deteriorates on thawing. Add any fresh fruit toppings just before serving.

📅 Make Ahead

This recipe is ideal for meal prep. Assemble up to 4 jars at once on a Sunday evening and store them in the fridge. Each jar is ready to grab and go every morning from Monday through Thursday. Keep toppings like fresh banana slices separate and add them at serving time.