Get your caffeine fix in overnight oatmeal form! These chilled, creamy Coffee Overnight Oats are super quick and easy to make and are a great way to use up leftover coffee in your pot!

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Nutritious breakfasts and easy, non-stressful mornings can be found in the form of Coffee Overnight Oats. You even get your caffeine fix in at the same time, although if you're a proper coffee lover, it's never a bad idea to make yourself an Iced Brown Sugar Oat Milk Shaken Espresso or an Iced Chocolate Almondmilk Shaken Espresso too ;O)
This is such a great recipe for using up leftover coffee in the pot. Just pop it in the fridge until you're ready to make your oats, and chilled creamy coffee overnight oats will be in your future. No cooking involved. Such a delicious breakfast, especially for the warmer summer months!
Once made, these overnight oats will keep for up to 5 days in the fridge. So good for a spot of organized meal prep at the weekend!
Love overnight oats? Be sure to try my chocolate overnight oats and lemon cheesecake overnight oats too!
Mel x
Ingredients
Here is what you need at a glance, along with some important ingredient notes & substitution ideas:

For the coffee, you can use leftover coffee or brew it fresh. Any coffee will do. Espresso, instant, cold brew, filter, decaf. I recommend making it on the stronger side if possible for the best flavour. I tend to make a carafe of coffee and use the leftovers in the bottom of the pot.
Some great ways to switch up your Coffee Overnight Oats:
- Make mocha overnight oats by adding 1 tablespoon of cocoa powder and a spoonful of chocolate chips.
- Not a fan of nut/seed butter? Add a few spoons of vegan yogurt when mixing up your oats instead.
- Use flaxseed instead of chia seeds.
Got a garden?
If you've got a garden or veggie patch, don't forget to save your coffee grounds. Scatter them around your plants as a fertilizer that doubles as a rabbit, cat, slug, and snail repellent!
Topping Ideas
Great, just as they are, but are even better with toppings. My favourites include:
- Chocolate chips
- Sliced Banana
- Vegan yogurt
- Date caramel
- Chopped nuts
Recipe

Coffee Overnight Oats
Author:Ingredients
- ¼ cup (60 ml) dairy-free milk
- 1 tablespoon nut or seed butter , or 2 tablespoons vegan yogurt
- ½ cup (120 ml) strong black coffee
- ½ cup (50 grams) rolled/old fashioned oats
- 1 tablespoon chia seeds
- 1 tablespoon maple syrup , or 1 finely chopped Medjool date
- ½ teaspoon vanilla
- small pinch sea salt
INSTRUCTIONS
- Add the milk and nut/seed butter to a jar or other lidded container. Mix to combine them as well as you can.
- Add all of the other ingredients and stir, or put the lid on and give it a good shake.
- Put in the refrigerator for at least 4 hours or up to 5 days before enjoying either straight from the jar/container or spooned out into a bowl with toppings of choice.
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K says
I love these oats!!! It's good enough on it's own, but I like to add some seeds or nuts and dried berries right before I eat it for extra texture. This makes for a very filling meal that is quite cheap as well as being tasty.