Easy Overnight Oats
Overnight oats are rolled oats soaked in milk and yogurt until soft, creamy and spoonable. There is no cooking, and a jar takes about 5 minutes to put together.
- 5 minTotal time
- 2Servings
- 350kcal / serving
- 15 gProtein
The ratio is easy to remember: equal parts oats and milk, plus yogurt and chia for body and protein.
The science: why this works
- Rolled oats slowly absorb liquid in the fridge and soften without any heat.
- Chia seeds soak up extra liquid and form a gel, which makes the oats thicker.
- Greek yogurt adds protein and a creamy tang.
- A pinch of salt makes the sweetness and the oats taste more complete.
- Chilling overnight gives the starch time to fully hydrate, so the texture is soft with no raw bite.
Soaking softens starch
Oats are full of starch granules that swell when they absorb water. Heat speeds this up, but time does the same job in the fridge. After about 6 hours the granules are plump and soft, giving a creamy texture without a stove.
Learn: How starch thickens sauce →Why chia thickens the mix
Chia seeds have a coating of soluble fiber that swells and turns gel-like in liquid, holding up to about 10 times its weight in water. That gel thickens the jar and keeps the oats from turning watery.
Learn: How starch thickens sauce →Easy Overnight Oats
5 min · 2 servings · American · Breakfast
Ingredients
Makes 2 servings
- 90 gcup (90 g) old-fashioned rolled oats
- 240 mlmilk of choice
- 120 mlplain Greek yogurt
- 1 tbspchia seeds
- 1 tbspmaple syrup or honey
- ½ tspvanilla extract
- 1 pinchsalt
- 240 mlberries or sliced banana, for topping
- 2 tbspchopped nuts, for topping
Method
Tips for the best result
- Use old-fashioned rolled oats, not instant, for the best texture.
- Add fresh fruit and crunchy toppings just before eating so they stay bright and crisp.
- Use jars with lids so you can grab them on the way out the door.
Mistakes to avoid
- Using steel-cut oats leaves the oats hard, so use rolled oats.
- Adding too little liquid gives a dry, pasty jar, so keep the oats to milk ratio at 1 to 1.
- Mixing in fresh banana days ahead makes it brown and mushy, so add it fresh.
Variations and swaps
- Peanut butter banana: stir in 1 tbsp peanut butter and top with sliced banana.
- Apple pie: add grated apple, cinnamon and chopped walnuts.
- Chocolate cherry: add 1 tbsp cocoa and top with cherries.
- Swap dairy milk for almond or oat milk to make it dairy-free; use coconut yogurt too.
- Swap maple syrup for honey or a mashed banana for a different sweetness.
- Swap Greek yogurt for more milk if you want a lighter, looser texture.
Storing and reheating
Keep sealed jars in the fridge for up to 4 days. Eat cold or warm in the microwave for 1 to 2 minutes. Do not freeze with fresh fruit.
Easy Overnight Oats: questions
What is the ratio for overnight oats?
Use 1 part rolled oats to 1 part milk by volume, then add about 1/2 part yogurt and 1 tablespoon of chia seeds. Adjust with extra milk for a looser jar.
Can you eat overnight oats cold?
Yes, overnight oats are meant to be eaten cold, straight from the fridge. You can also warm them in the microwave for 1 to 2 minutes.
How long do overnight oats last?
They keep for up to 4 days in a sealed container in the fridge. The texture gets thicker each day, so stir in a splash of milk before eating.
Can I use quick oats for overnight oats?
Yes, but quick oats turn softer and mushier. For the best chew, use old-fashioned rolled oats.
Are overnight oats healthy?
They are a good source of fiber and protein, especially with yogurt and chia. Keep added sugar low and top with fruit and nuts.
