Mixed Berry Smoothie Recipe

This mixed berry smoothie is packed with healthy carbs and fiber and will keep you going all morning long. Made with fresh berries, almond milk, oats, and flax seeds, this creamy smoothie recipe will be your go-to breakfast or refreshing afternoon snack.

Hi y’all, I’m Marion, the author of Life Tastes Good, the website where I share all of our favorite family recipes with the world. My motto is ‘fresh ingredients maximize flavor’. And with my easy, homestyle recipes I hope to inspire you to cook at home using fresh ingredients to experience exciting new flavors while saving time and money too. I am so excited to share my Mixed Berry Smoothie with you today while Tiffany is traveling across the country to her new home.

A head on view of a mason jar filled with this Mixed Berry Smoothie. It has two straws in it and a couple of blackberries. Several cut strawberries sit in the background.


Personally, I can never have too many clean eating breakfast smoothie recipes. Smoothies take just minutes to make and fill you up without weighing you down. Plus, they just taste great. I love the creamy texture and the cool, refreshing feeling you get when sipping on the perfect breakfast smoothie loaded with fresh fruit. It’s my favorite way to start the day!

This mixed berry smoothie recipe is not only deliciously satisfying and healthy, it’s great for meal planning too. It can easily be made ahead, so you can be prepared for your busy morning with a clean breakfast smoothie. If you’re like me, time is precious in the mornings. Sometimes those busy mornings can derail our healthy eating habits. But when I have these mixed berry smoothies ready and waiting for us when we wake up, I know we can eat healthy and keep our morning schedule on track. I like that!

An overhead view of this Mixed Berry Smoothie, looking down into the jar. You can see the pretty lavender-pink color of the smoothie, the blackberry sitting on top and the two straws begging you to take a sip.

Below, I’ve compiled all the information you need to shop for and make this mixed berry smoothie at home. But if you have any questions, please let me know in the comments section. I hope you enjoy this refreshing breakfast smoothie recipe as much as we do!


Absolutely! Not only can you put oats in a smoothie, you totally should and here’s just 4 reasons why:

  • Adding rolled oats to your breakfast smoothie makes it thicker and creamier, which, in my opinion, makes a more satisfying smoothie.
  • Oats pack a nutritional punch and help keep hunger pains at bay.
  • Oats are a good source of carbohydrates for boosting your energy to help you get through a hectic morning.
  • Old-fashioned oats contain both soluble and insoluble fiber, so you get the benefits associated with both.

TIP: This mixed berry smoothie is best made the night before so it’s ready for a grab-and-go breakfast in the morning. But it can be made in the morning (with just a little extra blending) and enjoyed right away. Because the oats don’t have time to absorb the liquid, the smoothie won’t be as thick and creamy, but it will still be delicious.


Almond milk is a tasty, nutritious milk alternative that has many important health benefits. Packed with healthy Omega-3 and 6 fatty acids along with vitamins and antioxidants, almond milk makes a good base to boost the nutritional benefits of smoothies.

TIP: Homemade almond milk tastes best and is fairly easy to make. But if you prefer you can purchase unsweetened almond milk. If you do, read the label to make sure there aren’t any unwanted ingredients. I like Unsweetened Milked Almonds by Elmhurst 1925. It is only filtered water and almonds, so it is clean.


Of course! Frozen fruit will give this mixed berry smoothie a nice icy thick texture. Especially if you are going to enjoy it right away! If you are making this smoothie recipe the night before, you can feel free to use fresh or frozen fruit.

TIP: I prefer to freeze the berries myself to ensure no unwanted ingredients. But if you want to purchase them frozen, be sure to read the label.


Flaxseed is a great source of fiber and omega-3 fatty acids, as well as phytochemicals called lignans. So it makes sense to start the day with this powerhouse in your breakfast smoothie recipe! However, if you eat the flaxseed whole, it may pass through your system undigested. Meaning, your body will miss out on most of the health benefits that come from the seeds. Ground flaxseeds are easier for your body to digest, thus you will benefit from all the wonderful nutritional value in flaxseed. So be sure to use ground flaxseed when making this mixed berry smoothie recipe.

TIP: When shopping for ground flaxseed, be aware it is the same as milled flaxseed and flaxseed meal


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A head on view of a mason jar filled with this Mixed Berry Smoothie. It has two straws in it and a couple of blackberries. Several cut strawberries sit in the background.

Mixed Berry Smoothie Recipe

A delicious start to your morning you can make the night before!
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Course: Breakfast, Drinks, Smoothies
Cuisine: American
Prep Time: 10 minutes
Servings: 2 servings
Calories: 150kcal


  • 2 cups unsweetened almond milk
  • ¼ cup old-fashioned rolled oats
  • ½ cup blackberries
  • ½ cup blueberries
  • ½ cup strawberries (diced for easier measuring)
  • 1 tsp. ground flaxseed
  • 2 tsp. honey (or your favorite clean sweetener - optional)


  • When adding ingredients to the blender it’s good to always put your liquid ingredient(s) in first. This helps ensure everything will get blended nicely.
  • Add 2 cups almond milk to blender
    Adding almond milk to the blender.
  • Measure ¼ cup oats, ½ cup each blackberries, blueberries, and diced strawberries,
    Adding oats to the blender.
  • 1 teaspoon ground flaxseed, and 2 teaspoon honey or other clean sweetener (if using) and add to the blender with the almond milk.
    Adding flaxseed to the blender.
  • Place the lid on the blender.
    Placing the lid on the blender.
  • Blend until smooth and refrigerate overnight.
    Blending the smoothie in a blender.
  • In the morning you’ll have the deliciously filling goodness of this Mixed Berry Smoothie ready and waiting for you to enjoy!


Please note that the nutrition data given here is a ballpark figure. Exact data is not possible.


Serving: 0.5the recipe | Calories: 150kcal | Carbohydrates: 24g | Protein: 4g | Fat: 5g | Saturated Fat: 1g | Sodium: 328mg | Potassium: 199mg | Fiber: 6g | Sugar: 12g | Vitamin A: 75IU | Vitamin C: 32.3mg | Calcium: 328mg | Iron: 1mg

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