This Joe Wicks-style overnight oats recipe combines rolled oats, milk, Greek yogurt, chia seeds, banana and berries for a creamy, no-cook breakfast. Stir it together the night before, chill it until the oats soften, then serve cold with fresh fruit or a crunchy topping.
Ingredients
- 1 cup (90 g) old-fashioned rolled oats
- 1 cup (240 ml) milk, dairy or unsweetened plant milk
- 1/2 cup (120 g) plain Greek yogurt
- 1 tablespoon (12 g) chia seeds
- 1 small ripe banana (about 100 g peeled)
- 1/2 cup (75 g) berries, fresh or frozen, divided
- 1 teaspoon (5 ml) maple syrup, optional, to taste
- 1/4 teaspoon (0.6 g) ground cinnamon
- 2 tablespoons (15 g) chopped nuts or seeds, optional, for serving
Instructions
- Choose a medium bowl or a container with a lid that can hold at least 3 cups (720 ml). Mash the peeled banana with a fork until mostly smooth. A few small pieces are fine and add texture; mash thoroughly if you prefer the oats evenly sweetened.
- Add the milk, Greek yogurt, chia seeds, maple syrup if using, and cinnamon. Stir until the yogurt is loosened and the chia seeds are distributed rather than clumped together. Add the oats and stir again, scraping the sides and bottom so every oat is moistened.
- Fold in about half of the berries. If using frozen berries, there is no need to thaw them first; they will soften in the refrigerator and release some juice into the mixture. Save the remaining berries to add just before serving.
- Cover the bowl or seal the container and refrigerate for at least 6 hours. This resting time gives the oats and chia seeds time to absorb liquid. Keep the container chilled rather than leaving it on the counter, and do not judge the final thickness before the oats have had time to soften.
- After chilling, stir well from the bottom upward. The mixture should be thick and spoonable. If it is firmer than you like, mix in milk a tablespoon (15 ml) at a time until it reaches your preferred consistency. Divide between two bowls or jars, top with the reserved berries and optional nuts or seeds, and serve cold.
Tips
- Use rolled oats for the best texture. Old-fashioned rolled oats soften while keeping a little chew. Quick oats absorb liquid more rapidly and make a softer, less distinct mixture, so check them after chilling and add milk if needed. Steel-cut oats are not a direct substitute here: they stay quite firm without cooking and need a different method.
- Stir the chia seeds in thoroughly. Chia seeds absorb liquid and help thicken the oats, but seeds left in a dry clump can become gelatinous on the outside and powdery within. Stir once after adding the oats, then check the mixture after a minute and stir again if you see any concentrated patches.
- Adjust sweetness after chilling. A ripe banana and sweet berries may be enough, while tart berries can make the bowl taste sharper. Maple syrup is optional; taste the finished oats before adding more. Honey can be used in the same amount, or leave out added sweetener entirely.
- Keep toppings separate until serving. Nuts, seeds and crisp granola soften if they sit overnight in the wet mixture. Store them separately and scatter them on top at the last moment. If you are packing breakfast to take away, carry the crunchy topping in a small separate container.
Serving Suggestions
Serve the oats cold straight from the refrigerator for a quick breakfast, or let a portion stand on the counter for a few minutes while you prepare toppings. Add the reserved berries, then finish with chopped nuts or seeds for crunch. Sliced banana, grated apple, a spoonful of nut butter, or a little extra yogurt also work well. Choose one or two additions rather than piling on every topping, so the oats remain easy to stir and eat.
For a portable breakfast, portion the mixture into two clean jars with tight-fitting lids. Leave a little room at the top for fruit, and pack any crunchy additions separately. A spoonful of yogurt on top makes the surface creamy; a small splash of milk stirred through just before eating loosens a jar that has thickened during storage. Serve with coffee, tea, or another breakfast drink if desired.
Variations
Make it dairy-free: Replace the milk with an unsweetened oat, soy, or almond drink and use a thick, plain plant-based yogurt. Oat and soy drinks give a relatively creamy result, while some almond drinks produce a lighter mixture. Check the yogurt and milk labels if you want to avoid added sweeteners, since flavored products can make the finished oats much sweeter.
Change the fruit: Swap the berries for 1/2 cup (about 75 g) of diced pear, chopped apple, or sliced peaches. Apples and pears keep more bite than berries, so cut them small. A little grated apple also mixes evenly through the oats. If using a very juicy fruit, start with the listed milk amount and adjust only after chilling.
Try a chocolate-banana version: Stir 1 tablespoon (5 g) unsweetened cocoa powder into the milk and yogurt before adding the oats, and omit the cinnamon if you prefer. Cocoa thickens the mixture slightly and can taste bitter without the banana’s sweetness, so taste after chilling before deciding whether to add the optional maple syrup. A few banana slices make a simple topping.
Make it nut-free or add more crunch: Leave off the nuts and use pumpkin or sunflower seeds if those suit your needs. For a nut-free version, check packaged toppings for cross-contact information. Toasted coconut or a spoonful of crisp cereal can also add texture, but add these only at serving time so they do not turn soft overnight.
Storage and Reheating
Cover and refrigerate the prepared oats promptly, within 2 hours of mixing. They are best in the first 1 to 2 days, when the fruit and texture are at their freshest, and can generally be kept refrigerated for up to 3 days. Use a clean spoon each time you serve, and discard the portion if it has been left at room temperature for more than 2 hours or develops an off smell, unusual appearance, or unexpectedly fizzy quality. For the best texture, store toppings separately and add them when serving.
These oats are meant to be eaten cold, so reheating is not necessary. If you would rather have them warm, transfer one serving to a microwave-safe bowl and heat, stirring at intervals, until hot throughout. For reheated leftovers, use a food thermometer to ensure they reach 165°F (74°C), then let them cool briefly before eating. Add a splash of milk before heating if the mixture has become very thick. Do not warm the whole batch repeatedly; heat only the portion you plan to eat.
Frequently Asked Questions
Can I make these overnight oats without chia seeds?
Yes. Leave the chia seeds out and make the rest of the recipe as written. The oats will be a little less thick, so start with the listed amount of milk, chill for at least 6 hours, then stir and adjust. If you want a thicker result, add another tablespoon of Greek yogurt or reduce the milk by 1 to 2 tablespoons (15 to 30 ml) next time.
Can I prepare the oats in the morning?
They need at least 6 hours in the refrigerator to soften properly, so mixing them in the morning will not give the same ready-to-eat result by lunchtime. For a shorter wait, use quick oats and check the texture after about 2 hours, but expect a softer consistency. For the rolled-oat version here, mixing it the evening before is the most reliable approach.
Why are my overnight oats too thick or too runny?
Oats vary slightly in how much liquid they absorb, and chia seeds continue to thicken the mixture as it rests. If yours is too thick, stir in milk a tablespoon (15 ml) at a time. If it is too runny, give it more chilling time, then add a spoonful of yogurt or a teaspoon of chia seeds and wait 10 minutes before judging again. Measuring the oats and milk rather than estimating helps keep the texture consistent.
Can I use frozen berries?
Yes. Fold them in while frozen; they thaw safely in the refrigerator as the oats chill. Their juice will color the mixture, especially if you use raspberries or mixed berries, and may make it a little looser. If you want the oats to stay pale and the fruit to keep its shape, leave the berries out of the base and add them on top after thawing them in the refrigerator.
Can I make a larger batch?
Yes. Multiply each ingredient by the number of servings you need and mix everything in a larger container, or prepare individual jars. Make sure there is room to stir without spilling, and divide the mixture evenly if you want consistent portions. Keep it covered and refrigerated, use it within 3 days, and add fresh toppings only when serving.
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