Sweet Overnight Oats Recipe: Creamy and Easy to Prep

Sweet overnight oats are rolled oats soaked in milk and yogurt with chia seeds, maple syrup, and vanilla until soft and creamy. Make them the night before, then serve them cold or gently warmed with fruit and other toppings for an easy breakfast that is ready when you are.

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 or vanilla yogurt
1 tablespoon (12 g) chia seeds
2 tablespoons (30 ml) pure maple syrup
1 teaspoon (5 ml) vanilla extract
1/8 teaspoon (0.75 g) fine salt
1/2 cup (75 g) sliced strawberries or blueberries, for serving
2 tablespoons (15 g) chopped walnuts or almonds, for serving

Instructions

Measure the base. Add the rolled oats, milk, yogurt, chia seeds, maple syrup, vanilla, and salt to a medium bowl or a large measuring jug. Measure the oats level rather than packing them into the cup; a packed cup can make the mixture thicker than intended. If using vanilla yogurt instead of plain, start with the listed maple syrup and adjust the sweetness after soaking.
Mix thoroughly. Stir for about 1 minute, scraping the sides and bottom so no dry oats or chia seeds remain stuck to the bowl. Chia seeds can clump when they meet liquid, so break up any small clusters with the back of the spoon. The mixture will look loose at this stage. That is normal: the oats and chia will absorb some of the milk as they chill.
Portion and cover. Divide the mixture evenly between two lidded jars or food-storage containers, about 1 1/4 cups (300 ml) capacity each. Leave a little room at the top for stirring and toppings. Alternatively, leave it in one covered container and divide it when serving. Close the lids and put the containers in the refrigerator promptly.
Chill until soft. Refrigerate for at least 8 hours, preferably overnight. This resting time lets the rolled oats soften and the chia thicken the liquid. If your schedule changes, the mixture can stay chilled longer; give it a good stir before serving because some liquid may settle near the bottom.
Check the consistency. Stir each portion from the bottom up. For a thicker bowl, serve it as it is. For looser oats, mix in milk 1 tablespoon (15 ml) at a time until it reaches the texture you like. Taste and add a little more maple syrup if desired. Spoon the berries and chopped nuts over the top just before eating.

Tips

Choose rolled oats for the intended texture. Old-fashioned rolled oats soften while keeping some shape, so the finished oats are creamy rather than completely smooth. Quick oats absorb liquid faster and tend to become softer and more uniform; if you use them, check the texture after about 4 hours. Steel-cut oats are much firmer and generally need more liquid and a longer soak, so they are not a direct one-for-one swap in this recipe.
Adjust thickness after soaking, not before. Oats and chia seeds vary slightly by brand, and yogurt can be thick or thin. The mixture should be stirrable after chilling. Add milk a spoonful at a time if it feels stiff, or add 1 teaspoon (4 g) chia seeds and let it sit for 10 to 15 minutes if it is much thinner than you want. Avoid adding a large amount of chia all at once; it can make the oats gel-like.
Make a dairy-free version easily. Use an unsweetened oat, soy, almond, or other plant milk and a plant-based yogurt. Unsweetened soy milk and thicker plant yogurts give a fuller, creamier result, while thinner almond milk makes a lighter bowl. Since flavored plant milks and yogurts may already contain sweetener, taste the mixture before adding extra maple syrup.
Keep crunchy toppings separate. Nuts, granola, toasted coconut, and cereal soften if they sit in the oat mixture overnight. Pack them separately and add them when serving. Fruit can go on top before chilling if convenience matters, but sliced banana and cut berries are at their best when added shortly before eating.

Serving Suggestions

Serve the oats cold straight from the refrigerator for the simplest breakfast. Stir well first, then top each portion with the measured berries and walnuts or almonds. A spoonful of yogurt, a small drizzle of maple syrup, or a pinch of cinnamon can make the bowl feel more finished without changing the basic method. If your berries are tart, add a little extra maple syrup after tasting rather than sweetening the whole batch heavily in advance.

For a more substantial serving, add a sliced banana, a spoonful of peanut or almond butter, or a sprinkle of toasted seeds. Keep additions moderate at first: nut butter and seeds make the mixture richer and can also thicken it, so loosen the oats with a splash of milk if needed. You can also set out a small selection of toppings and let each person finish their own jar. This works well when the two portions need different levels of sweetness or different toppings.

To serve the oats warm, transfer a portion to a microwave-safe bowl rather than heating it in a sealed jar. Warm in short intervals, stirring between them, and add a little milk if the mixture tightens as it heats. You can also warm it gently in a small saucepan over low heat, stirring often. The recipe is designed to be eaten chilled, but warming it is a convenient option on a cold morning.

Variations

Brown sugar and cinnamon: Replace the maple syrup with 1 1/2 tablespoons (20 g) packed brown sugar and stir in 1/2 teaspoon (1 g) ground cinnamon. The brown sugar gives a deeper, molasses-like sweetness. Add diced apple and pecans when serving for an apple-pie-inspired combination; the apple is a topping, not a required part of the overnight soak.

Chocolate: Whisk 1 tablespoon (5 g) unsweetened cocoa powder into the milk before mixing in the other ingredients. Add another 1 teaspoon (5 ml) maple syrup if you prefer a sweeter chocolate flavor. A few chocolate chips on top add sweetness and crunch, but they are optional. Cocoa can make the mixture seem thicker, so stir in extra milk after chilling if needed.

Peanut butter and banana: Stir 1 tablespoon (16 g) smooth peanut butter into the base before chilling, then top with half a sliced banana per serving. If the peanut butter is stiff, blend it with a spoonful of the milk first so it distributes more evenly. Peanut butter adds a stronger roasted flavor and makes the oats denser, so a splash of milk may be welcome before serving.

Berry-lemon: Add 1 teaspoon (2 g) finely grated lemon zest to the oat mixture and use mixed berries on top. The zest brings a fresh citrus aroma without adding extra liquid. For a brighter, fruitier bowl, stir in 1 tablespoon (15 ml) berry jam after chilling, then taste before adding more sweetener because jam varies in sweetness.

Lower-sweetness version: Begin with 1 tablespoon (15 ml) maple syrup instead of 2, or leave it out and sweeten each portion to taste. Ripe banana or a few chopped dates can provide sweetness if you like those flavors. Changes in sweetness do not affect the soaking time; keep the same oat-to-liquid amounts so the texture remains predictable.

Storage and Reheating

Keep the covered oats refrigerated at 40°F (4°C) or below, and refrigerate them within 2 hours of mixing. The plain oat mixture is best within 3 to 4 days. For the freshest texture, store toppings separately and add fruit and nuts when serving. If you prepare more than one batch, label the containers with the date so it is easy to use the oldest portion first. Discard the oats if they have been left at room temperature for more than 2 hours or show an unusual smell, appearance, or texture.

These oats are usually served cold, so reheating is optional. If you warm a refrigerated portion, move it to a microwave-safe bowl or saucepan and stir as it heats; never microwave a tightly sealed jar. For food safety, heat leftovers throughout to 165°F (74°C). Add milk gradually if the oats become too thick, then top with fresh fruit after warming. Do not freeze and thaw the oats if you want their original creamy texture: the mixture can separate and become watery after thawing.

Frequently Asked Questions

Can I make overnight oats without chia seeds?
Yes. Leave them out and use the same amount of oats, milk, and yogurt. The result will be less thick and a little less pudding-like, so start with the recipe’s liquid amounts and stir in a small splash of milk only if needed. Chia seeds help bind the mixture, but they are not essential for softening the oats.

Can I use water instead of milk?
You can, but the oats will taste less creamy and less rich. Replace the milk with the same amount of water and keep the yogurt, or use a little extra yogurt if you want a fuller texture. If you are avoiding dairy, plant milk and plant-based yogurt are closer substitutes for the original creaminess than water alone.

How long do overnight oats need to soak?
Allow at least 8 hours for this recipe so the rolled oats soften and the chia seeds absorb liquid. They may be edible sooner, but the texture can be firmer and less even. They can remain refrigerated beyond the overnight soak, within the 3-to-4-day storage window; stir before eating and adjust with milk if they have thickened.

Why are my overnight oats too runny or too thick?
Runny oats may need more time to chill or a teaspoon of chia seeds followed by 10 to 15 minutes of resting. Thick oats can be loosened with milk, added a tablespoon at a time. Yogurt thickness, oat type, and measuring differences all affect the result. Make small adjustments after soaking rather than changing several ingredients at once.

Can I prepare these in one large container?
Yes. Mix the ingredients in a covered food-storage container, refrigerate it for the same 8 hours, then stir well and portion into bowls. Individual jars are convenient for grab-and-go servings, but a larger container takes up less space and makes it easy to adjust the consistency of the whole batch before serving.

Can I add frozen fruit before chilling?
Yes. Frozen berries can be mixed in or placed on top before refrigeration; they will thaw as the oats chill and may tint the mixture. They can also release juice and make the oats a little looser, so stir before serving and add milk only if the texture needs it. Keep crunchy toppings separate until you eat.

More recipes to cook

Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

Spotted an error? Tell us and we will correct it (corrections policy).