High Protein Overnight Oats with Greek Yogurt and Chia Seeds

Name: High Protein Overnight Oats with Greek Yogurt and Chia Seeds
Prep time: 5 min
Total time: 8 h 5 min
Yield: 1 serving
Ingredients: 60 g whole rolled oats (not instant or quick oats); 150 g plain full-fat Greek yogurt (at least 10% fat for best creaminess and protein); 120 ml unsweetened almond milk (or any milk of choice); 1 scoop (30g) vanilla whey protein isolate (choose a clean-ingredient brand with low sugar); 1 tbsp chia seeds; 60 g frozen wild blueberries (no need to thaw before mixing); 1 tsp pure vanilla extract; 0.25 tsp ground cinnamon; 1 tsp fresh lemon juice (brightens the flavour without tasting citrusy); 1 tsp raw honey or pure maple syrup (optional, only if you prefer extra sweetness); 1 tbsp natural almond butter (to swirl in before serving); 1 tbsp hemp seeds (optional topping for extra protein and healthy fats)

High ProteinMeal PrepEgg-Free

Prep Time5 min

Servings1

Calories490 kcal

Health Score5/10

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High Protein Overnight Oats with Greek Yogurt and Chia Seeds

Some mornings just need a breakfast that does the heavy lifting before you even wake up. These high protein overnight oats with Greek yogurt are exactly that kind of recipe. You spend five minutes stirring a handful of ingredients together the night before, and by morning you have a thick, creamy, genuinely satisfying breakfast waiting in the fridge. No blender, no stovetop, no rushing around.

What makes this recipe stand out from most overnight oats you will find is the protein strategy. A lot of recipes rely on a single source, usually just Greek yogurt or just protein powder. Here we layer three sources together: thick full-fat Greek yogurt for creaminess and gut-friendly probiotics, a scoop of vanilla whey protein isolate for a clean protein boost, and whole rolled oats that contribute more protein per gram than most people realise. Chia seeds join in too, adding plant-based protein alongside a solid dose of omega-3 fatty acids and soluble fibre that helps the mixture thicken beautifully overnight. The result is a jar that clocks in at around 38 grams of protein, all without tasting like a supplement shake.

The flavour profile here is lightly sweet with a natural vanilla warmth, balanced by a tiny pinch of cinnamon and a squeeze of fresh lemon juice that brightens everything without tasting citrusy. Frozen wild blueberries are stirred in before chilling, and as they thaw overnight they release a deep berry colour and natural sweetness throughout the oats. A tablespoon of almond butter pressed into the centre before serving adds healthy monounsaturated fats and a rich, nutty contrast to the creamy base. Together these ingredients make the jar look gorgeous and taste like something you would order at a cafe, except this version is dramatically lower in sugar and higher in fibre than almost anything you could buy.

For meal prep, this recipe scales beautifully. Mix up to four jars in one session and store them in the fridge for up to four days. The oats actually improve from day two onward as the texture becomes even creamier and the flavours meld together more fully. If you are training hard, managing blood sugar, or simply tired of reaching for something processed in the morning, this recipe gives your body a genuinely nourishing start. The fibre from oats and chia seeds supports steady energy levels throughout the morning, and the protein keeps hunger at bay far longer than a standard bowl of granola or toast ever could.

Ingredients

Serves:1

60 g whole rolled oats (not instant or quick oats)
150 g plain full-fat Greek yogurt (at least 10% fat for best creaminess and protein)
120 ml unsweetened almond milk (or any milk of choice)
1 scoop (30g) vanilla whey protein isolate (choose a clean-ingredient brand with low sugar)
1 tbsp chia seeds
60 g frozen wild blueberries (no need to thaw before mixing)
1 tsp pure vanilla extract
0.3 tsp ground cinnamon
1 tsp fresh lemon juice (brightens the flavour without tasting citrusy)
1 tsp raw honey or pure maple syrup (optional, only if you prefer extra sweetness)
1 tbsp natural almond butter (to swirl in before serving)
1 tbsp hemp seeds (optional topping for extra protein and healthy fats)

Instructions

1
Add the Greek yogurt and almond milk to a medium bowl or directly into a 400ml glass jar. Whisk them together until fully combined and smooth.
Mixing the yogurt and milk first prevents lumps when you add the protein powder.
2
Add the vanilla whey protein isolate and whisk again firmly until no powder clumps remain. The mixture should look like a thick, pale smoothie at this stage.
If your protein powder tends to clump, sift it in gradually while stirring.
3
Stir in the rolled oats, chia seeds, vanilla extract, ground cinnamon, and lemon juice. Mix everything well so the oats are fully coated in the yogurt mixture.
4
Add the frozen wild blueberries and stir them gently through the mixture. Add honey or maple syrup at this point if you are using it.
Adding the blueberries frozen is intentional. They thaw slowly overnight, releasing juice and colour evenly throughout the oats.
5
If you mixed in a bowl, pour the mixture into a clean glass jar with a lid. If you mixed directly in the jar, seal it now. Place in the fridge for a minimum of 6 hours, though overnight for 8 hours gives the best creamy texture.
Give the jar a gentle shake or stir after one hour if you catch it, to redistribute the chia seeds before they fully set.
6
In the morning, take the jar from the fridge and remove the lid. The oats should be thick and creamy. If the texture feels too dense for your liking, stir in a splash of almond milk to loosen it slightly.
7
Spoon the almond butter into the centre and scatter hemp seeds over the top if using. Eat straight from the jar at room temperature or enjoy cold directly from the fridge.
Let the jar sit at room temperature for 5 to 10 minutes if you prefer your oats less cold.

Nutrition per serving

490kcal

Calories

38g

Protein

45g

Carbs

14g

Fat

Fibre

11g

Sugar

185mg

Sodium

Pro Tips

✓
Use whole rolled oats rather than instant oats. Rolled oats hold their texture better overnight and provide a lower glycaemic release.
✓
Full-fat Greek yogurt makes a noticeably creamier result than low-fat. The extra fat also helps you absorb fat-soluble nutrients in the blueberries.
✓
The lemon juice is small but important. It balances the richness of the yogurt and protein powder and makes the whole jar taste fresher.
✓
Do not skip the chia seeds. They absorb liquid and create a pudding-like thickness while quietly boosting fibre and omega-3 intake.
✓
Taste the mixture before chilling and adjust sweetness at that stage. Once set overnight, it is harder to distribute sweeteners evenly.
✓
Glass jars with clip-top or screw-top lids work best. They seal tightly, stack neatly in the fridge, and the glass does not absorb flavours.

Frequently Asked Questions

How much protein is actually in these overnight oats?↓

One jar provides approximately 38 grams of protein. This comes from Greek yogurt (around 15g), whey protein isolate (around 24g from a standard scoop), rolled oats (around 6g), chia seeds (2g), and almond butter (2g). There is naturally some overlap in how these figures combine, but the total sits solidly around 38g per serving.

Can I make these without protein powder?↓

Yes. Leave out the protein powder and increase the Greek yogurt to 200g. You will still get a high-protein result, though it will drop to around 20 to 22 grams per jar. You may also want to add a little extra milk to keep the consistency right since protein powder absorbs liquid.

How long do high protein overnight oats with Greek yogurt last in the fridge?↓

They keep well for up to 4 days in a sealed jar in the fridge. The texture is best from day 1 through day 3. After day 4 the oats can become a little too soft, though they are still safe to eat.

Can I use plant-based protein powder instead of whey?↓

Absolutely. A vanilla pea protein or a blended plant protein works well here. Be aware that some plant proteins absorb more liquid than whey, so you may need to add an extra 2 to 3 tablespoons of almond milk to keep the texture creamy.

Do I have to eat these cold?↓

No, you can warm them if you prefer. Transfer the oats to a small saucepan or microwave-safe bowl and heat gently, stirring frequently. Add a splash of milk as you warm them since they thicken considerably. Add the almond butter and toppings after warming rather than before.

Are these overnight oats gluten free?↓

Oats are naturally gluten free but are often processed in facilities that handle wheat. To make this recipe fully gluten free, use certified gluten-free rolled oats and confirm your protein powder is also certified gluten free.

Variations

•
Chocolate Peanut Butter
Replace vanilla protein powder with chocolate protein powder, swap almond butter for natural peanut butter, and add 1 teaspoon of raw cacao powder to the base mix. Top with a few cacao nibs for crunch.
•
Mango Ginger
Use plain Greek yogurt with no vanilla extract. Stir in 60g of frozen mango chunks instead of blueberries and add a quarter teaspoon of fresh grated ginger to the base. Top with a sprinkle of toasted coconut flakes before serving.
•
Apple Cinnamon
Double the cinnamon to half a teaspoon and stir in 50g of finely diced fresh apple instead of blueberries. Add a pinch of ground nutmeg and top with a few chopped walnuts for healthy fats and crunch.
•
Strawberry Vanilla
Use 60g of frozen strawberries instead of blueberries. Slice them in half before adding so they distribute more evenly. The strawberries turn the oats a beautiful pale pink colour overnight and taste naturally sweet.

Substitutions

•
Whey protein isolate → Vanilla pea protein or blended plant protein (Add an extra 2 to 3 tablespoons of milk as plant proteins absorb more liquid. Protein content stays comparable.)
•
Almond milk → Oat milk, full-fat dairy milk, or soy milk (Soy milk adds the most additional protein. Oat milk adds a slightly sweeter flavour. Full-fat dairy milk adds extra creaminess and protein.)
•
Full-fat Greek yogurt → Low-fat Greek yogurt or plain skyr (Skyr is a great swap and often has even higher protein. Low-fat Greek yogurt will work but the texture will be slightly less creamy.)
•
Frozen wild blueberries → Fresh blueberries, raspberries, or sliced strawberries (Fresh fruit works fine but will not bleed colour into the oats the way frozen fruit does overnight.)
•
Almond butter → Natural peanut butter, sunflower seed butter, or cashew butter (Sunflower seed butter makes this nut-free while keeping healthy fats and a similar creamy richness.)
•
Rolled oats → Certified gluten-free rolled oats (A direct swap for anyone with gluten sensitivity. Avoid instant oats as they make the texture too mushy.)

🧊 Storage

Store in a sealed glass jar in the refrigerator for up to 4 days. Keep toppings like almond butter and hemp seeds separate until serving for the best texture. Do not freeze, as the yogurt and chia mixture becomes grainy once thawed.

📅 Make Ahead

This recipe is built for meal prep. You can prepare up to 4 jars in a single session, keeping all toppings stored separately. Each jar takes about 2 minutes to assemble once you have your ingredients out. Prepare on Sunday evening and you have breakfast covered through Thursday morning.