Gluten Free Overnight Oats with Chia Seeds and Almond Milk (High Protein, Low Sugar)

These gluten free overnight oats with chia seeds and almond milk are the kind of breakfast that makes your mornings feel genuinely sorted. Five minutes of prep the night before, and you wake up to a thick, creamy, ready-to-eat jar that actually keeps you full until lunch. No cooking, no stress, no sad desk snacking at 10am. Just real food doing its job.
What makes this version stand out from the crowd is the nutrition overhaul. Most overnight oat recipes lean heavily on sweetened milks, flavoured yogurts and honey drizzled with a generous hand, which quietly pushes the sugar content sky high. Here, unsweetened almond milk forms the creamy base, and a scoop of vanilla protein powder does double duty: it adds that subtle sweet flavour you want while bumping the protein up to a genuinely impressive 22 grams per serving. The chia seeds bring in another layer of goodness too. They are rich in omega-3 fatty acids, they absorb the almond milk overnight to create that luscious pudding-like texture, and they contribute a serious amount of fibre that supports healthy digestion. Together with certified gluten free rolled oats, every spoonful is working hard for you.
The flavour combination here is warm vanilla with a gentle nuttiness from the almond milk, a touch of cinnamon and just a drizzle of pure maple syrup to round things off. Fresh blueberries and a sprinkle of flaked almonds go on top in the morning, adding crunch, antioxidants and a pop of colour. You can absolutely swap the toppings to whatever fruit you have on hand. Sliced banana, raspberries, diced mango or a spoonful of natural nut butter all work beautifully. The base recipe is deliberately simple so it becomes your canvas, not a rigid formula. Once you have made it a few times you will find yourself adapting it without even thinking about it.
A quick note on the oats themselves: oats are naturally gluten free, but they are frequently processed in facilities that also handle wheat, barley and rye, which means cross-contamination is a real concern for anyone with coeliac disease or a gluten sensitivity. Always look for oats that are specifically labelled certified gluten free. These are grown, transported and processed under strict protocols to keep gluten levels well below the safe threshold. It is a small detail that makes a big difference if gluten is a health issue for you. Everything else in this recipe is naturally gluten free, so you are good to go once you have the right oats in your pantry. Batch prep four jars on a Sunday evening and you have a genuinely nourishing breakfast ready every single morning until Thursday.
Ingredients
- 1 cup certified gluten free rolled oats (not instant oats, use old-fashioned rolled for best texture)
- 2 tbsp chia seeds (white or black both work)
- 1 scoop vanilla protein powder (approximately 30g, choose a plant-based or whey version depending on preference)
- 3 cup unsweetened almond milk (plus an extra splash in the morning if needed)
- 1 cup plain low-fat Greek yogurt (use coconut yogurt for a fully dairy-free version)
- 1 tsp pure maple syrup (or raw honey if preferred)
- 1 tsp ground cinnamon
- 1 tsp pure vanilla extract
- 1 pinch fine sea salt (brings out the sweetness)
- 1 cup fresh blueberries (to serve, frozen and thawed also works)
- 1 tbsp flaked almonds (to serve, toasted if you like extra crunch)
Instructions
- 1
Add the rolled oats, chia seeds, vanilla protein powder, cinnamon and sea salt to a 500ml mason jar or airtight container. Give it a quick stir with a fork to combine the dry ingredients evenly.
Mixing the dry ingredients first prevents the protein powder from clumping when the liquid goes in.
- 2
Pour in the unsweetened almond milk, then add the Greek yogurt, maple syrup and vanilla extract. Stir everything thoroughly for about 30 seconds, making sure there are no pockets of dry oats sitting at the bottom of the jar.
A long-handled teaspoon or a mini whisk gets into the corners of the jar much better than a regular spoon.
- 3
Seal the jar with its lid and refrigerate for a minimum of 6 hours, though overnight (8 hours) gives the best thick, creamy texture. The chia seeds will absorb the liquid and swell, binding everything together into a satisfying pudding-style consistency.
If you are new to chia seeds, give the jar a quick shake after 15 minutes in the fridge. This prevents the chia seeds from all settling at the bottom in one clump.
- 4
In the morning, remove the jar from the fridge and give everything a good stir. If it looks thicker than you like, splash in a little extra almond milk and stir again until you reach your preferred consistency.
- 5
Top with fresh blueberries and flaked almonds. Eat straight from the jar or transfer to a bowl. Enjoy cold, or if you prefer it warm, remove the lid and microwave for 60 to 90 seconds, stirring halfway through.
Add the fresh toppings after warming, not before, to keep the blueberries bright and the almonds crunchy.
Nutrition per serving
340kcal
Calories
22g
Protein
38g
Carbs
9g
Fat
14g
Fibre
8g
Sugar
180mg
Sodium
Pro Tips
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Always check your oats are certified gluten free if you have coeliac disease or a gluten intolerance. Regular oats may contain traces of gluten from shared processing facilities.
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The ratio of chia seeds to liquid is important. Stick to roughly 1 tablespoon of chia seeds per quarter cup of liquid for a thick but spoonable texture.
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Protein powder brands vary a lot in sweetness. Taste your mixture before refrigerating and adjust the maple syrup up or down based on your powder.
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Batch prep up to 4 jars at once on Sunday evening. They keep well in the fridge for up to 4 days, making weekday mornings completely effortless.
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For extra creaminess, replace a quarter of the almond milk with full-fat coconut milk. It adds a subtle tropical note that works really well with mango or pineapple as a topping.
Frequently Asked Questions
Variations
- •
Chocolate Peanut Butter
Replace the vanilla protein powder with chocolate protein powder, add one tablespoon of natural peanut butter and a teaspoon of raw cacao powder to the base mixture. Top with sliced banana and a light drizzle of peanut butter in the morning.
- •
Tropical Mango Coconut
Replace a quarter of the almond milk with full-fat coconut milk. Use vanilla protein powder as normal. Top with diced fresh mango, a sprinkle of unsweetened desiccated coconut and a squeeze of lime juice.
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Apple Cinnamon Crunch
Double the cinnamon in the base and add a quarter teaspoon of ground nutmeg. Top with finely diced raw apple, a teaspoon of almond butter and a small handful of gluten free granola for crunch.
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Strawberry Vanilla Cheesecake
Add a tablespoon of extra Greek yogurt to the base for a richer flavour. Top with sliced fresh strawberries and a light dusting of finely crushed gluten free digestive biscuits or oat clusters for that cheesecake base effect.
Substitutions
- •Greek yogurt → Coconut yogurt or oat yogurt (Use any plain unsweetened plant-based yogurt to make the recipe fully dairy free. The texture may be slightly less thick depending on the brand.)
- •Almond milk → Oat milk, cashew milk or soy milk (Any unsweetened plant-based milk works well. Oat milk adds a slightly sweeter, creamier flavour. Soy milk adds extra protein naturally.)
- •Vanilla protein powder → Collagen peptides or an extra tablespoon of hemp seeds (If you prefer not to use protein powder, add two tablespoons of hemp seeds for a natural protein and omega-3 boost. The flavour will be more neutral so add a touch more vanilla extract.)
- •Maple syrup → Raw honey, agave nectar or a few drops of liquid stevia (Use liquid stevia for a zero-sugar option. Start with just two to three drops as it is much sweeter than maple syrup by volume.)
- •Blueberries → Raspberries, sliced strawberries, diced mango or kiwi (Any fresh or thawed frozen fruit works as a topping. Berries in general are a great choice as they are lower in sugar and high in antioxidants.)
- •Flaked almonds → Pumpkin seeds, sunflower seeds or hemp seeds (Use seeds instead of nuts for a nut-free version. Pumpkin seeds are particularly good as they add a subtle crunch and a good dose of zinc and magnesium.)
🧊 Storage
Store sealed jars in the refrigerator for up to 4 days. Keep toppings like fresh fruit and nuts separate and add them just before eating to preserve texture and freshness. Do not freeze overnight oats made with chia seeds as the texture becomes watery upon thawing.
📅 Make Ahead
This recipe is designed for make-ahead prep. Assemble up to 4 jars on Sunday evening and refrigerate. Each morning, simply grab a jar, add your toppings and breakfast is done. If the oats have thickened more than you like after a couple of days in the fridge, stir in a small splash of almond milk to loosen.


