Just add a straw to this wonderful banana, blueberry and oatmeal smoothie, and enjoy a delicious breakfast on-the-go.

Blueberry Banana and Oatmeal Smoothie in glass

Are you picky about how ripe you like a banana to be before eating it?

Sometimes I have to buy them on the green side, so they won’t get too ripe before I have a chance to eat them.

There’s a particular point where a banana gets a little too ripe to eat as is for my taste buds.

So, I’ll convince myself that I’ll just let them get really ripe and then I’ll make banana bread.

Then 9 times out of 10 I’ll run out of time to make banana bread, see a couple gnats hanging around the ripe bananas, and out to the trash they go.

When bananas start getting ripe faster than they can be eaten, an option is to store them in the freezer for use in smoothies.

Freezing Bananas for Smoothies

To freeze bananas, just peel each banana and squeeze lime or lemon juice all over each banana.

Then put each one in a separate snack size plastic zipper bag, seal the bag up tight, and then store them in the freezer.

The frozen bananas hold their color nicely when citrus juice is added on them.

Banana Blueberry and Oatmeal Smoothie

About the Ingredients

This smoothie tastes best when it’s really cold, so I like to use frozen blueberries, and a frozen banana if I have one.

And last but not least, this smoothie also has oatmeal in it which adds a slightly thick texture.

The oatmeal is first cooked and cooled before it’s added to the smoothie.

Enjoy this smoothie for breakfast, a breakfast on-the-go, or a refreshing snack.

About the Order of Ingredients

A rule of thumb is that liquids and soft ingredients go in first, and the harder ingredients go in last.

So, for example to the blender jar,

  • First, add liquids such as juice, water or milk
  • Second, add soft ingredients like yogurt, fresh (unfrozen) cut fruit and berries, or honey
  • Then add items such as frozen cut fruit and berries, vegetables or nuts
  • Lastly add the ice

When blending a smoothie, to avoid an air pocket from forming by the blade in the blender jar, there needs to be a good balance between the liquid and frozen ingredients (including ice).

Let’s check out the ingredients.

Banana Oatmeal Smoothie ingredients

Banana, blueberries, cooked oatmeal (on the thick side), honey, cinnamon, flax seed, ice cubes


A printable recipe with the measurements and instructions is located at the bottom of this post.

Add cooked oatmeal to blender

In a blender, add the oatmeal.

Peeled banana on plate by blender


Add peeled banana in blender

add the banana,

Add blueberries to blender


Add flax seed to blender

Add flax seed to blender

flax seed,

Add honey to blender


Add ground cinnamon to blender


Add ice cubes to blender

and ice cubes.

Blend Blueberry and Oatmeal Smoothie

Blend on the smoothie setting…

Banana Blueberry and Oatmeal Smoothie

…and serve right away while it’s cold.

Banana Blueberry and Oatmeal Smoothie

As an option it can be served over a little ice to make it even colder.

Banana Blueberry and Oatmeal Smoothie

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Blueberry Oatmeal Breakfast Smoothie

Banana, Blueberry and Oatmeal Smoothie

Just add a straw to this wonderful smoothie with oatmeal and enjoy your breakfast on-the-go.
5 from 1 vote


  • 1/2 cup frozen blueberries
  • 1 frozen banana (or unfrozen is fine too)
  • 2/3 cup cooked oatmeal cooled and on the thick side
  • 1 tablespoon honey or add to taste
  • 1/8 teaspoon cinnamon
  • 1 teaspoon flax seed (optional)
  • 1 cup (heaping) ice cubes


  • Blender


  • Add all ingredients to the blender and blend on the smoothie setting. 
  • Serve right away while it’s ice cold.
    As an option it can be served over a little ice to make it even colder.

Recipes with Blueberries

Here are more recipes with blueberries you may like “Blueberry Limeade“, “Blueberry Streusel Coffee Cake with Lemon Glaze” and “Mango, Blueberry and Ginger Galette“.

Recipes with Bananas

And here are more recipes with bananas you may like “Double Banana Pancakes“, “Browned Butter Banana Dessert” and “Bourbon Glazed Bananas and Streusel Dessert“.

Smoothie Recipes

More Smoothie Recipes You May Like:

Blueberry Lemonade Smoothie

Veggie Berry Smoothie

Mango, Strawberry and Toasted Coconut Smoothie

Peach Berry and Cream Smoothie