Overnight Oatmeal Recipe

Overnight oats are rolled oats softened in milk and yoghurt in the fridge, ready to eat cold or warm the next morning. This single-serve base is creamy and easy to customise with fruit, nuts, spices or chocolate.
Ingredients
- 45 g (½ cup)rolled oats
- 120 ml (½ cup)milk, dairy or dairy-free
- 60 g (¼ cup)vanilla Greek yoghurt, dairy or dairy-free
- 1 tablespoonchia seeds
- 1–2 tablespoonshoney or pure maple syrup
- ¼ teaspoonground cinnamon
- ⅛ teaspoonsea salt
- To tasteToppings: fresh berries, bananas, nuts, seeds, chocolate chunks or other toppings
- To tasteTropical Paradise: carton coconut milk as the base (optional), cream of coconut, pineapple and/or mango, shredded coconut, crushed macadamia nuts or cashews
- To tasteBerry Bliss: strawberry, raspberry or blackberry jam, mixed berries, sliced almonds, lemon zest
- To tasteCinnamon Apple Peanut Butter: extra cinnamon, peanut butter, apple chunks, crushed peanuts, chocolate chunks or cocoa nibs
- To tasteChocolate Raspberry: cocoa powder, extra honey or maple syrup, raspberry jam, raspberries, chocolate chunks, chopped pecans
- To tasteChocolate Banana Peanut Butter: peanut butter, cocoa powder, extra honey or maple syrup, sliced bananas, walnuts, chocolate chunks
- To tasteBlackberry Peach Crisp: extra cinnamon, nutmeg, peaches, blackberries or raspberries, granola or sliced almonds
- To tastePeanut Butter and Jelly: peanut butter, strawberry or raspberry jam, berries, crushed peanuts
- To tastePumpkin Spice: pumpkin purée, extra maple syrup and cinnamon, ground nutmeg, ground ginger, optional pumpkin seeds, dried cranberries, cocoa nibs or chocolate chunks
Instructions
- 1
Choose servings
This base recipe makes one jar. For multiple portions, scale up the base ingredients; keep the variation amounts proportionate to each individual jar so you can make different flavours.
- 2
Mix the base
For one portion, stir the ingredients together in a 16-ounce (about 475 ml) jar or a bowl. For several portions, combine the base ingredients in a large bowl, then soak them there or divide the mixture between jars.
- 3
Add mix-ins
Stir in any mix-ins you want to soak with the oats, such as peanut butter or cocoa powder. Add fruit that keeps well, such as pineapple, now; save delicate or perishable toppings such as bananas and nuts for serving, or prepare and store them separately.
- 4
Refrigerate overnight
Cover and refrigerate for at least 5 hours; leaving the oats overnight gives them the creamiest texture. They can be kept for up to 5 days, though they are best within the first 1–3 days.
- 5
Adjust consistency
If the oats seem too thick, stir in a little milk. They thicken the longer they sit in the fridge.
- 6
Serve warm
For a warm serving, microwave for 60 seconds, stir, then heat in further 20-second intervals if needed.
- 7
Add toppings
Finish with your chosen fruit and nuts, then stir them in or eat the oats as they are.
What are overnight oats?
Overnight oats are rolled oats soaked in liquid until tender, rather than cooked on the hob. They belong to the same broad family of chilled oat breakfasts as Swiss Bircher-style muesli, which combines oats with fruit and dairy.
This version uses milk, vanilla Greek yoghurt and chia seeds for a thick, spoonable base. A choice of nine flavour ideas makes it easy to vary the jar without changing the soaking method.
Nutrition and macros by portion
The nutrition label shows one serving as written: 390 calories, 17g protein, 57g carbs, 11g fat.
| Portion | Adjustment | kcal | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| Lighter | Use less sweetener | 273 kcal | 12g | 40g | 8g |
| This serving | As written | 390 kcal | 17g | 57g | 11g |
| Hungry | Make a larger portion | 585 kcal | 26g | 86g | 17g |
Most of the carbohydrates come from the oats and any added honey or maple syrup, while the milk and Greek yoghurt contribute protein. Chia seeds, yoghurt and any nut toppings contribute fat; serve with fresh fruit and choose a protein-rich milk or yoghurt if you want a more balanced breakfast.
Why these ingredients work
Rolled oats: these soften during refrigeration while retaining enough structure to make a satisfying texture. Quick oats may soften more quickly and become less chewy.
Chia and yoghurt: chia seeds absorb liquid and help thicken the mixture, while yoghurt adds a creamy, tangy quality. The milk loosens the base so the oats can hydrate.
Getting the texture right
Liquid balance: mix the ingredients thoroughly so the oats and chia seeds are evenly moistened. If the mixture is too thick after chilling, add milk a little at a time and stir.
Sweetness: begin with the lower amount of honey or maple syrup if your yoghurt or toppings are already sweet. You can add more before serving.
Choose when to add fruit
Sturdy fruit: pineapple can be mixed into the base before chilling, as the recipe suggests. Jam can also be stirred in after soaking for the Berry Bliss or Peanut Butter and Jelly variations.
Delicate toppings: keep bananas and nuts separate until serving so they retain their intended texture. Prepare them ahead if useful, but store them separately from the oats.
Allow enough chilling time
Minimum soak: refrigerate for at least 5 hours so the oats and chia seeds can absorb liquid. An overnight rest is the recipe’s preferred option for a creamier result.
Batch prep: mix a larger quantity of the base in a bowl or divide it between jars. Add flavour mix-ins to individual portions if you want each jar to have a different variation.
Variations and serving ideas
Fruit and spice: try berries with jam and lemon zest, or peaches and blackberries with a little extra cinnamon and nutmeg. Pumpkin purée with maple and warming spices makes another seasonal-style option.
Richer flavours: peanut butter pairs with apple, banana or jam, while cocoa powder works with raspberries or banana. For the tropical variation, use coconut milk sold as a beverage and cream of coconut, not coconut cream.
Serve it your way
Cold or warm: eat the oats straight from the fridge, or microwave them for 60 seconds and stir. If they need more heating, continue in 20-second intervals.
Toppings: fresh fruit, nuts, seeds, granola or chocolate chunks add contrasting textures. Add them just before eating for the clearest crunch.
Recipe notes & tips
- Stir well before chilling so the chia seeds do not clump together.
- Start with 1 tablespoon of honey or maple syrup and adjust the sweetness after soaking.
- Add a splash of milk before serving if the oats have thickened more than you like.
- Keep crunchy toppings separate until you are ready to eat.
- Label jars with the flavour if you prepare several different variations.
Variations
- Tropical Paradise: Use carton coconut milk and a tablespoon of cream of coconut in the base, then top with pineapple or mango, shredded coconut and crushed macadamias or cashews.
- Berry Bliss: Stir 1–2 tablespoons of berry jam into the soaked oats and finish with mixed berries, sliced almonds and lemon zest.
- Cinnamon Apple Peanut Butter: Mix in 2 tablespoons of peanut butter and ¼ teaspoon extra cinnamon, then top with apple, crushed peanuts and chocolate chunks or cocoa nibs.
- Chocolate Raspberry: Mix in 1½ tablespoons of cocoa powder and 1 tablespoon extra honey or maple syrup, then stir in 1–2 tablespoons raspberry jam after soaking and top with raspberries, chocolate and pecans.
- Chocolate Banana Peanut Butter: Add 2 tablespoons of peanut butter, 1½ tablespoons of cocoa powder, 1 tablespoon honey or maple syrup and ¼ teaspoon cinnamon; top with banana, walnuts and chocolate chunks.
- Pumpkin Spice: Mix in 3 tablespoons pumpkin purée, 1 tablespoon extra maple syrup, ¼ teaspoon extra cinnamon, ⅛ teaspoon each of nutmeg and ginger, and a tiny pinch of cloves; finish with optional seeds, dried cranberries, cocoa nibs or chocolate.
Common mistakes to avoid
- Skipping the soak: the oats and chia need at least 5 hours in the fridge; prepare them the night before when possible.
- Too little liquid: the mixture can become very thick as it chills; stir in a little milk before serving.
- Adding every topping early: bananas and nuts can lose their preferred texture; add them just before eating.
- Using coconut cream by mistake: for the Tropical Paradise variation, the recipe calls for cream of coconut, not coconut cream.
- Overheating the oats: long heating can make them too hot and uneven; use the stated 60 seconds, stir, then continue in 20-second intervals if needed.
How to store
Cover and refrigerate for up to 5 days; the oats are at their best within the first 1–3 days. Store perishable or crunchy toppings separately and add them when serving. Reheat in the microwave for 60 seconds, stir, then use 20-second intervals if needed.
Frequently asked questions
How long do overnight oats need to soak?
Soak them for at least 5 hours. Leaving them overnight is the preferred way to get a creamy texture.
Can I make several portions at once?
Yes. Scale up the base ingredients, mix them in a large bowl and either chill the mixture there or divide it between jars. Add variation ingredients to individual portions if you want different flavours.
Can I eat overnight oats warm?
Yes. Microwave a serving for 60 seconds, stir, and heat in further 20-second intervals if you want it warmer.
Why are my overnight oats too thick?
The oats continue to thicken as they absorb liquid in the fridge. Stir in a little milk until they reach the consistency you prefer.
Can I use dairy-free milk and yoghurt?
Yes. The base recipe allows dairy-free milk and yoghurt; choose varieties that suit the flavour you are making.
Can I add toppings before refrigerating?
You can add mix-ins and fruit that keeps well, such as pineapple, before soaking. Save toppings such as bananas and nuts for serving, or store them separately.
Cook it from the original
This recipe comes from carlsbadcravings.com. Their page has the author’s own photos, notes and tips — the best place to cook it from.
Open the recipe on carlsbadcravings.com