Smoothie Freezer Cubes (The Back-to-School Breakfast Hack Every Cool Mom Needs)
Make back-to-school mornings easier with these high-protein smoothie freezer cubes! A quick, kid-friendly breakfast you can prep ahead and blend in minutes.
Creator: Leslie Stokes
If there is one thing I know about school mornings, it’s that they are busy. Between getting everyone dressed, packing lunches, signing permission slips, and somehow remembering where everyone’s shoes disappeared to, breakfast can easily become an afterthought.
That’s exactly why I started making these High Protein Smoothie Freezer Cubes.
Instead of pulling out six different ingredients every single morning, everything is already blended and frozen. All I have to do is toss a couple smoothie cubes into the blender with a splash of milk or apple juice, and breakfast is done in less than two minutes.
My kids honestly think they’re getting a giant smoothie treat before school… and I’m over here knowing they’re getting protein, fruit, yogurt, and even spinach without a single complaint.
If you’re in your back-to-school prep era… welcome. You’re going to love these.
Why You’ll Love These Smoothie Cubes
- Perfect for busy school mornings
- High in protein to help keep kids full longer
- Naturally sweet from fruit
- Great way to sneak in spinach
- Kid-approved
- Freezer friendly
- No measuring ingredients every morning
- Great for toddlers, kids, teens, and even adults
Why I Love Making These for Back-to-School
One thing I’ve noticed with my own kids is that when they eat a breakfast with plenty of protein, they stay full so much longer and seem to have better energy throughout the morning.
Instead of grabbing something sugary that leaves them hungry an hour later, these smoothies actually stick with them.
Plus… they feel fun.
Something about popping frozen smoothie cubes into the blender makes breakfast feel more like making ice cream than eating something healthy.
And if we’re being honest…
If you’re a cool mom this back-to-school season… your freezer probably needs a batch of these.
How to Make a Smoothie in the Morning
For each smoothie:
- Add 2 smoothie cubes to a blender.
- Pour in ½–¾ cup milk or apple juice.
- Blend until smooth.
- Add additional liquid if needed to reach your desired consistency.
That’s it.
Breakfast in under two minutes.
Fun Flavor Variations
Once you make one batch, you’ll want to experiment with different combinations.
Try:
Tropical
- Mango
- Pineapple
- Banana
- Greek yogurt
Strawberry Banana
- Strawberries
- Banana
- Vanilla yogurt
Peach Cobbler
- Frozen peaches
- Banana
- Cinnamon
- Vanilla
- Greek yogurt
Mixed Berry
- Strawberries
- Blueberries
- Raspberries
- Blackberries
Chocolate Peanut Butter
- Banana
- Peanut butter
- Cocoa powder
- Greek yogurt
- Chocolate Fairlife milk
Green Monster
- Pineapple
- Mango
- Spinach
- Banana
- Greek yogurt
Add-Ins for Even More Protein
You can easily customize these by adding:
- Vanilla protein powder
- Chia seeds
- Ground flaxseed
- Hemp hearts
- Collagen peptides
- Peanut butter
- Almond butter
- Cottage cheese
More Back-to-School Freezer Recipes You’ll Love
If you’re stocking your freezer before school starts, pair these smoothie cubes with:
- High Protein French Toast Sticks
- Mini High Protein Breakfast Bagel Sandwiches
- Protein Waffles
- Soft-Baked Monster Granola Bars
- Protein Rice Krispie Treats
- Cookie Dough Protein Dip
- Yogurt Parfait Cups
Having a few grab-and-go breakfasts ready makes mornings so much easier.
Tips for this Meal Prep
- Silicone trays make removing the cubes incredibly easy.
- Freeze the cubes overnight before transferring them to freezer bags.
- Label the freezer bag with the date.
- Using milk creates a creamier, higher-protein smoothie.
- Apple juice makes the smoothie extra fruity if your kids prefer that flavor.
- Frozen fruit means you never need to add ice.
I hope this back to school meal prep helps you! Don’t forget to follow along on social media for more Meal Prep + healthy recipes!
High Protein Smoothie Freezer Cubes
Equipment
- Freezer Cube Trays https://amzlink.to/az07uwg7PdIyO
Ingredients
- 2 cups frozen strawberries
- 1 cup frozen blueberries
- 2 bananas
- 1 cup plain Greek yogurt
- 1-2 handfuls spinach optional
- ½-¾ cup Fairlife milk
- 1 tsp vanilla extract optional
Let's Make It
- Blend all ingredients until smooth.
- Pour into silicone freezer molds.
- Freeze overnight.
- Remove cubes and store in freezer bags.
To Serve
- Blend: 2 smoothie cubes, ½–¾ cup milk or apple juice
- Blend until smooth and enjoy.
Notes
- Use milk for extra protein.
- Apple juice creates a sweeter, fruitier smoothie.
- Add protein powder if you’d like even more protein.
- Freeze for up to 3 months.
Nutrition Facts
(Per Serving)
Calories: ~170
Protein: 11g
Carbohydrates: 25g
Fat: 2g
Fiber: 4g
Sugar: 16g
Nutrition is an estimate and will vary depending on the exact ingredients used.
Meal Prep in 1 Hour
You can use any two of the meals in this series to get your meal prep done in just about and hour, give or take!
Having your breakfast and lunch ready for the week helps you stay on track with your nutriton, saves you time and money! I truly beleive that meal prep does not need to be over complicated, take too much time or be boring!
I always get asked- “do you ever get tired of eating the same thing all week?” and the answer is, no! Not when the food taste good! I give plenty of variety in these preps and keep it simple!
As always, thanks for being here and remember, don’t over complicate the process! Take a deep breath, you got this!
