You know how orange juice just feels like breakfast? Like slow weekend mornings when the sun hits your kitchen just right. I realized I missed that vibe during my hectic weekdays… so why not sneak it into my breakfast meal prep? These orange overnight oats make it feel like a weekend (even when I'm dragging my feet on the way to work).
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Why you'll love this recipe
Citrusy. The fresh orange juice and zest bring that bright, refreshing flavor that's perfect for mornings like a lemon blueberry overnight oats or orange poppyseed baked oats.
Overnight oats. Like our frozen mixed berry overnight oats or banoffee overnight oats, you just have to mix in the morning!
Sweet breakfast. It's naturally sweetened with orange juice. More of a chocolate lover? Try chocolate baked oats. Prefer savoury? Try chorizo scrambled egg burrito.
Ingredients and substitutions
Rolled oats. This is the base for the creamiest oats. I recommend avoiding instant or steel-cut oats as the texture and liquid absorption will change. You can blend the oats if you prefer a "cakey" texture.
Chia seeds. Don't skip the chia seeds as this is what improves the overall texture.
Protein powder. Vanilla or neutral work best. But, you could also use a chocolate or caramel for something a bit different.
Greek yogurt. Because there's no milk in these overnight oats, the yogurt adds creaminess. Swap for dairy-free if required.
Orange juice. Freshly squeezed from a couple of oranges is going to give you the best flavour, but you can substitute for store-bought if you choose.
Please check the recipe card for full list of ingredients and quantity.
My top tips
Use fresh juice. It really makes the citrus pop and keeps flavors bright.
Don't skip the zest. It's the flavour bomb, but try to only the orange and not the white (it's bitter).
Adjust sweetness. Taste after mixing; oranges vary in sweetness - especially in different seasons. Add a hint of sugar, maple syrup or honey if needed.
Customise. Add different toppings like some nuts or a drizzle of honey or nut butter for something a bit different.
Meal prepping orange overnight oats
Meal prepping orange overnight oats is a weekday lifesaver. Just make a few jars at once and stash them in the fridge for up to 4-5 days. Just know that the oats increase in size by about 15% so you want to leave a bit of room at the top.
If they're too thick when you go to eat them, add a little more liquid and give them a good stir.
If you want more meal prep information, check out my Meal Prep for Beginners post and my Meal Prep Basics E-Book.
FAQs
Yep! Fresh juice tastes better, but store-bought works in a pinch. Check the label and try to get 100% orange juice (I prefer the ones with the pulp for texture, but it's up to you.
Nope. If you prefer warm oatmeal, add some more liquid and heat in the microwave on 60 second intervals until warmed through (this should take approx. 2 minutes).
You can, but the oats won't be as thick and the texture goes a little funky. Try ground flaxseed instead.
Other overnight oats recipes
Or, you can have a browse through my overnight protein oats recipes for more delicious eats.
Recipe
Orange Overnight Oats
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Equipment
Ingredients
- 40 g (½ cups) rolled oats, see note 1
- 30 g (2 tablespoon) chia seeds
- 30 g (2 tablespoon) Greek yogurt, see note 2
- 30 g (2 tablespoon) protein, vanilla or chocolate, optional
- 180 ml (¾ cups) orange juice, approx.3 fresh oranges, see note 3
- 80 g (3 oz) orange, approx.½
Instructions
- Mix together 40 g (½ cups) rolled oats, 30 g (2 tablespoon) chia seeds, 30 g (2 tablespoon) Greek yogurt, 30 g (2 tablespoon) protein, 180 ml (¾ cups) orange juice in an airtight jar.
- Top with diced 80 g (3 oz) orange and store for at least 4 hours before eating.
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