These raspberry overnight oats are the perfect breakfast treat that is also vegan friendly, gluten free and naturally sweetened. Theyโre made with 6 ingredients, filling yet light and packed with all the energy your body needs to wake up in the morning.

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๐ฅฃWhat Are Overnight Oats?
Overnight oats are a no-cook method of preparing oatmeal by soaking rolled oats in liquid, like milk or yogurt. Overnight, the oats will absorb the liquid and soften, creating a creamy, pudding-like texture by morning. Unlike traditional oatmeal, which requires cooking, overnight oats are ready to eat straight from the fridge, making them a quick and convenient breakfast option.
What Is Raspberry Coulis?
These overnight oats combine a classic recipe for overnight oatmeal with a mouthwatering raspberry coulis thatโs both pretty and delivers the sweet kick you need to get you going in the morning.
Coulis is a fancy word for a thick sauce, made from pureed and strained vegetables or fruits. Originally, coulis referred to the juices from cooked meats, and later evolved to mean a thick soup made from pureed meat, game or fish.
Today, savoury coulis is made from pureed veggies and served as a sauce, while sweet coulis can uplift almost any dessert. Some of the most popular types include raspberry, strawberry, blackberry and blueberry coulis.
Ingredients You Will Need
- Milk โ Choose your preferred plant-based milk, such as soy milk, almond milk, coconut milk or oat milk, or dairy milk, to suit your taste.
- Yogurt โ Gives the oats a creamier texture. Dairy yogurt, soy yogurt, oat yogurt and coconut yogurt all work well.
- Rolled oats โ Opt for old-fashioned rolled oats rather than porridge oats for a chewier texture.
- Chia seeds โ Enhance the texture and fibre content of your oats with chia seeds.
- Raspberries โ Both fresh and frozen raspberries work fine.
- Agave syrup โ Use agave syrup as a liquid sweetener to complement the fruity flavours of the coulis. You can also swap it for maple syrup, honey, or your preferred liquid sweetener.
๐Step-by-Step Instructions
Step One: Prepare overnight oats.
Stir the oats, chia seeds, yogurt and milk in a medium mixing bowl. Divide between mason jars, glass jars or tupperware. Cover and refrigerate overnight or up to 5 days.
Step Two: Cook raspberry coulis.
Combine raspberries and agave syrup in a medium-sized pot. Cook over medium-low heat for about 15 to 20 minutes or until it begins to break down slightly. Mash them with a fork and cook for another 10 to 15 minutes. Strain the coulis through a fine mesh strainer or a chinois to remove any seeds, ensuring a silky-smooth texture. Let it cool down and store in an airtight container in the refrigerator until youโre ready to use it.
Step Three: Assemble and enjoy.
You can layer the sauce and overnight oats right away or store them separately until the morning. If storing them separately, you can transfer the oats to a bowl in the morning and mix in the coulis. If assembling them right away, wait for the coulis to cool down.
Variation with Mashed Raspberries
If youโre short on time, you can simply mash fresh raspberries with a bit of syrup using a fork and mix them into the overnight oats. While it wonโt be as rich and flavourful as raspberry coulis, itโs still a quick and tasty alternative.
Serving Suggestions
These overnight oats are delicious on their own with the raspberry coulis, but you can elevate them even more by adding these tasty toppings before serving:
- Fresh raspberries
- Maple or agave syrup
- Toasted coconut flakes or shredded coconut
- Toasted slivered almonds
Raspberry Overnight Oats FAQs
As written, the recipe makes 2 servings. If you want to meal prep for the entire week, you can double or triple the recipe.
Itโs usually best to add the coulis and any toppings right before serving the oats to retain their texture. However, if youโre in for a busy morning, you can assemble the jar the night before.
Store the overnight oats in the fridge for up to 5 days. I recommend storing them in individual sealed mason jars or airtight containers so theyโre easier to grab and enjoy for a quick or on-the-go breakfast.
You can pour any remaining coulis into an airtight container or jar and keep in the fridge for up to 2 weeks.
Yes! You can freeze it in an airtight container or an ice cube tray for up to 3 months. Thaw it in the refrigerator for 1 day before using.
Raspberry coulis is incredibly versatile! Itโs perfect for drizzling over more than just overnight oats. Try it on ice cream, yogurt, puddings or fresh fruit for a sweet and tangy boost.
Yes! You can make coulis with other berries as well, such as strawberries, blueberries, blackberries or even mixed berries. The basic recipe remains pretty similar, however, the sweetness and tartness of different berries can vary, so you might want to adjust the amount of sweetener to taste. For example, blueberries and strawberries are usually sweeter than raspberries, so you may need to use less. Blackberries can be more tart, so a touch more sweetener might be needed. The process of simmering and straining the berries stays the same.
More Make-Ahead Breakfasts
If youโre looking for more meal prep breakfast recipes, try these chocolate overnight oats, bircher muesli, yogurt overnight oats or matcha overnight oats.
Raspberry Overnight Oats
Ingredients
For the Overnight Oats
- ยฝ cup rolled oats
- 2 tablespoon chia seeds
- ยผ cup yogurt
- 1 cup milk
For the Raspberry Coulis
- 1 cup raspberries, fresh or frozen
- โ cup agave syrup
Instructions
Prepare overnight oats
- Stir the oats, chia seeds, yogurt and milk in a medium mixing bowl. Divide between mason jars, glass jars or tupperware. Cover and refrigerate overnight or up to 5 days.
ย Cook raspberry coulis
- Combine raspberries and agave syrup in a medium-sized pot. Cook over medium-low heat for about 15 to 20 minutes or until it begins to break down slightly. Mash them with a fork and cook for another 10 to 15 minutes.
- Strain the coulis through a fine mesh strainer or a chinois to remove any seeds, ensuring a silky-smooth texture. Let it cool down and store in an airtight container in the refrigerator until youโre ready to use it.
Assemble and enjoy
- You can layer the sauce and overnight oats right away or store them separately until the morning. If storing them separately, you can transfer the oats to a bowl in the morning and mix in the coulis. If assembling them right away, wait for the coulis to cool down.
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