Cold Brew Coffee Overnight Oats

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Wake up to delicious coffee overnight oats made with cold brew and vanilla protein powder. They’ll keep you energized all morning.

Coffee lovers and overnight oat lovers unite! I feel like I’m the president of both fan clubs so I’m bringing you together with the ultimate recipe: cold brew coffee overnight oats.

Two jars of coffee overnight oats topped with peanut butter and cocoa nibs.

Start your morning off with a cool, refreshing bowl (or jar) of oats… with a caffeine kick! This slightly sweet breakfast combines oats with cold brew coffee, vanilla protein powder and natural sweeteners for a delicious recipe to start your morning.

Ingredients to make coffee overnight oats in a bowl with labels.

Coffee Overnight Oats Ingredients

Here’s everything you’ll need for making these coffee overnight oats:

  • old-fashioned rolled oats – rolled oats work best for overnight oats recipes! Quick and instant oats get too soggy and steel cut oats don’t soften enough.
  • almond or oat milk – I prefer to use almond or oat milk, but really any milk will work.
  • cold brew – make your own cold brew at home or use a store-bought cold brew.
  • vanilla protein powder – my favorite brand of protein powder is Nuzest! Use code eatingbirdfood for 15% off your order.
  • maple syrup – to add a hint of sweetness to the recipe.
  • chia seeds – adds fiber, protein and healthy fats to the recipe. It also absorbs some of the liquid and helps thicken the oats.
  • vanilla extract – adds a mild, sweet flavor that brings the rest of the ingredients together.
  • peanut or almond butter – look for natural nut butter where the only ingredients are nuts and salt (or just nuts).
  • pinch of sea salt – you can skip the sea salt if the nut butter you are using is salted.
Bowl of coffee overnight oats with a spoon.

Substitutions & Notes

  • Gluten-free – just make sure you grab gluten-free, old-fashioned oats!
  • Vegan – use dairy-free milk and vegan protein powder to make sure these oats are vegan.
  • Mocha – if you love coffee, there’s a good chance you like mochas! Add 1-2 tablespoons of unsweetened cocoa powder prior to soaking overnight for a chocolate version.
Glass jar with cold brew and cream mixing into the coffee.

How to Make Cold Brew

I’ve shared how to make cold brew coffee before, but here are the cliff notes for a method that doesn’t require any fancy equipment:

  1. Pour 1 cup of coarse ground coffee beans to a large container. Add 1 1/2 cups of cold water. Stir to make sure all grounds are wet and then add another 1 1/2 cups of water.
  2. Cover the container and allow the coffee to steep for 12-24 hours. The longer you let it steep, the stronger it will be.
  3. Use a coffee filter, mesh cloth or thin dish towel to strain the grounds from the liquid. This is your cold brew concentrate!

Reminder: You’ll want to dilute the cold brew concentrate according to your preference to make 1/4 cup of cold brew coffee for the recipe.

No time to make cold brew? Feel free to use chilled coffee.

Two jars of coffee overnight oats topped with peanut butter and cocoa nibs.

How Long Do Overnight Oats Need to Soak?

While “overnight oats” is surely a catchy name, you actually don’t need to soak them overnight! The longer you soak them, the more liquid they will absorb and the softer the oats will be. If I’m on top of my meal prep, I do try to make these at night to allow them to soak overnight. Having said that, I have definitely forgotten to prep these in advance and just let them soak for a few hours in the morning.

How to Serve Coffee Overnight Oats

One of the best things about overnight oats is that you can just take them out of the refrigerator and enjoy them! If you prefer your oatmeal more liquid-y, you can add extra milk. I like to drizzle a little extra nut butter on top as well and for this version I added a few cacao nibs for crunch.

If you’re not a fan of cold oatmeal, you can also heat these oats up after they have soaked overnight. Heat in the microwave for 30-60 seconds and enjoy.

Wake up to delicious coffee overnight oats made with cold brew and vanilla protein powder. They will keep you energized all morning.

How Long do Overnight Oats Last?

Overnight oats will last 3-5 days in an airtight container in your refrigerator. The longer your oats sit, the more liquid they will soak up so you may need to add additional milk.

More Overnight Oat Recipes to Try:

More Coffee Drinks to Try:

Coffee Overnight Oats

4 from 23 votes
Wake up to delicious coffee overnight oats made with cold brew and vanilla protein powder. They’ll keep you energized all morning.
Two jars of coffee overnight oats topped with peanut butter and cocoa nibs.
Prep Time 5 minutes
Servings 1

Ingredients

  • ½ cup old fashioned rolled oats
  • ½ cup almond or oat milk
  • 1/4 cup cold brew coffee
  • 1 scoop vanilla protein powder, approx 12 grams — I used 1 scoop of Nuzest vanilla
  • 1 –2 teaspoons maple syrup
  • 1 teaspoon chia seeds
  • 1/2 teaspoon vanilla extract
  • pinch of sea salt — skip if nut butter is salted
  • 1 Tablespoon peanut or almond butter, divided, ½ for topping
  • cacao nibs for topping, optional

Instructions
 

  • Combine: Add oats, milk, cold brew, protein powder, maple syrup, chia seeds, vanilla, 1/2 of the nut butter and sea salt into a bowl or jar and stir together.
    Ingredients to make coffee overnight oats in a bowl.
  • Cover and let soak: Cover and place in the fridge overnight. If you’re in a rush you can shorten the soak time to 2-4 hours.
    Ingredients to make coffee overnight oats in a bowl all mixed together with a gold spoon.
  • Serve: The next morning (or when ready to eat), remove lid and give oats a big stir. If they seem too thick you can add a little more milk to loosen the mixture. Top with nut butter and any other toppings you’d like. 

Notes

  • Cold brew concentrate: If you’re using cold brew concentrate, you’ll want to dilute it (according to your preference) to make 1/4 cup of cold brew coffee for the recipe.
  • No time to make cold brew? Feel free to use chilled coffee.

Nutrition

Serving: 1 Calories: 389kcal Carbohydrates: 47g Protein: 20g Fat: 15g Saturated Fat: 2g Polyunsaturated Fat: 8g Trans Fat: 1g Sodium: 485mg Fiber: 7g Sugar: 15g
Course: Breakfast
Cuisine: American
Keyword: coffee overnight oats

DID YOU MAKE THIS RECIPE?

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Recipe Rating




    21 comments
    1. Kim
      May 31, 2021 AT 3:09 pm

      5 stars
      Awesome change up to my usual overnight oats rotation, and a great way to use some extra coffee or cold brew! Great for that little extra buzz to get through a Monday or celebrate a Friday!

      1. Brittany Mullins
        June 1, 2021 AT 1:30 am

        So glad you enjoyed this recipe, Kim! Thanks for the review. I so appreciate it!

    2. Charley
      May 30, 2021 AT 6:52 am

      5 stars
      I’ve had these every day this week! I tried making it with Trader Joe’s cold brew and Grady’s, which is concentrated – both were good! I swapped half the almond milk for yogurt one day (ran out!) and it was extra creamy and tangy, with a smoother texture. I’ve also experimented with leaving out the nut butter in the oats and just putting on top, which didn’t seem to make a difference.

      1. Brittany Mullins
        June 1, 2021 AT 2:37 am

        SO glad you’re loving this recipe, Charley. Thanks for the review. I so appreciate it!

    3. Becky
      May 29, 2021 AT 7:26 pm

      5 stars
      I made these last week and that started my new Sunday morning breakfast menu. Sundays are rushed, so putting these together on Saturday nights has made my Sunday mornings much easier. Also, what a great way to combine breakfast and coffee in one!

      1. Brittany Mullins
        June 1, 2021 AT 2:39 am

        So glad you loved this recipe, Becky. Thanks for the review. I so appreciate it!

    4. Jen Perkins
      May 21, 2021 AT 10:21 pm

      5 stars
      Holy smokes these are amazing! I had them for breakfast this morning and I’m making them again right now for tomorrow! I highly highly recommend any of Brittany’s overnight oats recipes but these might just be my favorite. YUM!

      1. Brittany Mullins
        May 24, 2021 AT 2:22 pm

        Woo!! I love hearing this, Jen! Thanks so much for the review!!

    5. Jen Perkins
      May 21, 2021 AT 10:17 pm

      5 stars
      Holy cow these are amazing!! Had them for breakfast today and I’m making them again right now to have tomorrow! Highly highly recommend any of Brittany’s overnight oats recipes but this may just be my favorite so far! YUM!

4 bowls of oatmeal topped with a variety of fruit, nuts, nut butter, chocolate chips and toppings.

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