Coffee Smoothie

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Make a creamy coffee smoothie on mornings when you want both a smoothie and a coffee in one! It’s blended with oats, flaxseed, bananas, brewed coffee, and cocoa powder for a deliciously satisfying drink.

I’ll blend up this coffee smoothie, grab one of my chunky banana cookies or a morning glory muffin, and breeze out the door on busy mornings. 

A coffee smoothie in a tall glass with a straw and a second smoothie next to a bowl of oats in the background.


 

Today’s coffee smoothie has been my go-to during back-to-school season. With all the running around, I’ve been making this egg bites recipe for the girls to grab and go while blending bananas, oats, and flaxseeds to go in my morning coffee. The result is a creamy and delicious smoothie that’s quick to make and easy to enjoy.

Why You Should Start Your Day With This Coffee Smoothie Recipe

  • Rich coffee flavors. This coffee smoothie recipe is rich and creamy with a subtle mocha flavor. Add more or less brewed coffee or espresso, depending on how strong you’d like your drink.
  • Delicious ingredients. This smoothie has all the creaminess of a frappe, made with flax, oats, and fruit. It’s a coffee and a breakfast option in one!
  • Adaptable. You can make a decaf version that’s just as flavorful. This recipe can also be made plant-based and gluten-free.
Coffee smoothie ingredients with text labels overlaying each ingredient.

What You’ll Need

Check out my notes here, and scroll to the printable recipe card for the full ingredients list and recipe details.

  • Brewed Coffee – You’ll need a batch of strong brewed coffee using your preferred method. I go over the various ways to brew espresso in my iced Americano recipe.
  • Banana – The riper your bananas, the sweeter your smoothie will be. Make sure they’re ripe, or even overripe, for the best flavor and creamiest texture. Aside from banana bread, smoothies are my second favorite way to use up overripe bananas!
  • Oats – Old-fashioned rolled oats or quick oats are best here, as steel-cut oats are harder and will be chunky.
  • Cocoa Powder – This can be natural, unsweetened cocoa powder or Dutch-processed, which will make the flavor fudgier.
  • Flaxseed – Feel free to swap in your favorite nuts or seeds, like chia seeds, hemp seeds, walnuts, sunflower seeds, or bran. Another option is to substitute the flaxseed meal with peanut butter, almond butter, or cashew butter.
  • Cinnamon – You can omit the cinnamon if you’re not a fan. Try to use good-quality Ceylon cinnamon if you can.
  • Milk – Any kind. Use dairy-free soy, oat, coconut, or almond milk if needed.
  • Honey – Or your choice of sweetener (maple syrup or agave is a good alternative).
Coffee smoothie in a drinking glass with a straw.

Tips for Best Results

  • Blend it well. Remember to blend your oats and flaxseeds thoroughly for a smoother texture.
  • Thicken it up. For a thicker smoothie, use frozen bananas.
  • Use a high-powered blender. I love mine, and it makes blending everything from smoothies to vanilla bean frappuccinos super quick and easy. If you’re using a less powerful blender, I recommend chopping your banana and coffee ice cubes into smaller pieces to make blending easier.

Try These Coffee Smoothie Variations

  • Make a protein smoothie and add a scoop of protein powder for extra protein after your workout.
  • Add 1 tablespoon of nut butter if you’d like.
  • Use plant-based milk and agave nectar to make it vegan.
  • Be sure to use certified gluten-free oats (check the label) for a gluten-free smoothie.
  • Add ½ of an avocado to boost the fats and make the consistency extra creamy.
  • Boost the flavors with a dash of vanilla extract or vanilla paste.
A coffee smoothie in a tall glass with a straw and a second smoothie in the background.

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4.92 from 12 votes

Coffee Smoothie

This easy Coffee Smoothie recipe is the perfect way to start your morning! Made with coffee, oats, flaxseeds and bananas, it's a delicious recipe for people on the go.
Prep Time: 5 minutes
Freezing Time: 3 hours
Total Time: 3 hours 5 minutes
Servings: 2 servings

Ingredients 

  • 1 cup strong brewed coffee
  • 1 ripe banana
  • ¼ cup rolled oats
  • 1 tablespoon cocoa powder
  • 1 tablespoon flaxseed meal
  • teaspoon ground cinnamon
  • 1 cup milk,, you can use any milk including soy milk or almond milk
  • 1 teaspoon honey
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Instructions 

  • Freeze the coffee. Pour brewed coffee into an ice cube tray and freeze for several hours or overnight.
  • Blend the smoothie. Combine the coffee ice cubes, banana, oats, cocoa powder, flaxseed meal, cinnamon, milk, and honey in a blender and blend until smooth.
  • Finish and serve. Taste for sweetness and adjust accordingly. Serve.

Video

Notes

  • Blend in stages: To get a smoother texture, blend the oats and flaxseeds with milk before adding the remaining ingredients.
  • Use a ripe banana: Ripe bananas are naturally sweeter and blend better, giving your smoothie a sweeter and creamier texture.
  • Freeze your coffee in advance: Frozen coffee cubes not only chill your smoothie but they also keep it from becoming watered down. Be sure to freeze your coffee the night before.
  • Customize the sweetness: Depending on the ripeness of your banana and your personal preference, you might not need any additional sweetener.
  • Add protein: Consider adding a scoop of your favorite protein powder for an even more satiating smoothie.
  • Toppings: Consider topping your coffee smoothie with a sprinkle of cacao nibs, granola, chia seeds, or a drizzle of nut butter for added texture and flavor.

Nutrition

Calories: 201kcal | Carbohydrates: 31g | Protein: 7g | Fat: 7g | Saturated Fat: 3g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Cholesterol: 15mg | Sodium: 52mg | Potassium: 558mg | Fiber: 5g | Sugar: 16g | Vitamin A: 236IU | Vitamin C: 5mg | Calcium: 174mg | Iron: 1mg

Nutritional info is an estimate and provided as courtesy. Values may vary according to the ingredients and tools used. Please use your preferred nutritional calculator for more detailed info.

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How To Blend a Coffee Smoothie

Freezing the coffee into ice cubes is my easy hack for blending a thick and creamy coffee smoothie without watering down the flavors. To make your coffee smoothie, you’ll need to do this step several hours in advance or the night before.

  • Freeze the brewed coffee. Brew a strong batch of coffee and pour it into an ice cube tray. Place that into the freezer to chill until solid.
  • Combine and blend. The next morning, add the coffee ice cubes to the blender along with the rest of your smoothie ingredients. For best results, blend the oats and flaxseeds with milk first, then add your remaining ingredients and blend until the texture is silky smooth. This can take a bit longer if you’re not using a high-powered blender.
  • Taste test, then serve! Do a quick taste test and adjust the flavors to your liking, then pour your smoothie into a glass and enjoy. 

Pro Tip: If you don’t have time or forget to freeze the coffee beforehand, you can just as easily add the freshly brewed coffee to the blender with a handful of regular ice cubes and blend as directed.

Pouring a smoothie from a blender and into a drinking glass.

Make a Smoothie Bowl Instead

When I’m not dashing out the door, smoothie in hand, I love making a smoothie bowl instead. After blending the coffee smoothie, transfer it to a bowl. Top the smoothie with chocolate granola, cacao nibs, chia seeds, fresh berries, and a drizzle of nut butter.

A coffee smoothie in a tall glass with a straw and a second smoothie in the background.
 
4.92 from 12 votes (2 ratings without comment)

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66 Comments

  1. Joann says:

    Just made this, it’s delish! It’s a great treat.

  2. Al says:

    I cannot believe I have not made this Before. It is wonderfull, abosutly brillant

  3. Becky says:

    unsweetened cocoa powder?

  4. Margaret says:

    Hijust found your recipie today 🙂 I’m going out tomorrow to purchase the flaxeeds and we’re off happy bunnie may try some of the alternatives too I like the sound of frozen yoghurt… you sound an absolute gem..I’m sorry the lady was soo horrible

  5. Denisa says:

    Could I use the coffee straight as it comes out of the brewer or do I have to freezs it first?

    1. Katerina Petrovska says:

      Hi! 🙂 You have to freeze it first – the ice-cubed coffee is what will give the smoothie that thicker consistency. It functions as a flavor, but it is also important for the texture of the smoothie.

  6. Rathi says:

    Does the smoothie work with instant coffee?

    1. Katerina Petrovska says:

      Yep, it will work just fine. 🙂

    2. Ginger Campbell says:

      Yes. I used instant coffee and frozen bananas. It was perfect.

  7. C. Scott says:

    I have been making this recipe on a regular basis since I ran across it last summer. It is sooo good! Any leftover coffee is immediately frozen so I always have a tray of frozen cubes on hand. Thanks so much.

  8. Mary says:

    I fucking hate you so much for using autoplay music on your site.

    You’re a shitfucking idiot if you think that’s a good idea.

    1. Katerina Petrovska says:

      TO come to someone’s website and curse them out? Classy…
      I hate that people use ad blockers, but we all got to do what we got to do.

      1. Nelly bayon says:

        Don’t mind about such people who put you down, just move on dear , they are just jealousy.

    2. Barb says:

      WOW! If you’re feeling that angry first thing in the morning you need another coffee and maybe you should visit a different site. This is the worst comment I’ve ever read on a food blog. Shame on you!!!

      Katerina,
      “Don’t get upset with people or situations, both are POWERLESS without your reaction.”
      Have a Merry Christmas.

      1. Katerina Petrovska says:

        Hi Barb!!! Thank you SOOO much for posting this! ♥ I needed to hear it. XO
        I debated whether or not to erase that comment, but I decided to keep it so that other readers can see just how hurtful and hateful some of these commenters can be. Not sure why people feel it’s okay to curse others out, especially while hiding behind a computer. I wonder if this Mary person would say the same thing to me if we were face to face. 🙂
        Again, thank YOU! Merry Christmas and Happy Holidays!

    3. Diana says:

      Wow that is totally uncalled for.turn volume down

    4. Sandi Curry says:

      Who shit in your Wheaties. You sound not only very angry, but very ignorant. Glad I am not you.

    5. Ann Marie Butler says:

      Wow, at first I, stereotypically, thought this comment was from a male. Not that this would have made it any more acceptable, but perhaps a tad less shocking. You really need to get a grip. God help who has the misfortune of having to live with you.

    6. kelli weiss says:

      am enjoying this smoothie right now: love coffee; love smoothies so am always searching for a good combo and yjis is 1 of the best so far!
      had frozen coffee, but 4got to use it, so just used 1 C, and added stevia b4 seeing the honey..DUH!
      but its delightful and will make it again, thx:): kelli

  9. Melissa says:

    loved the coffee smoothie idea reblogged it on my page and can’t wait to try it… thanks for sharing

  10. Marica says:

    Do the oats make it gritty?

    1. Katerina Petrovska says:

      Hi Marica! No, it’s not gritty. Or, it shouldn’t be so long as you blend it all until smooth. I hope that helps!