Make this refreshing strawberry banana spinach smoothie in minutes using an easy meal-prep trick that speeds up mornings and keeps your smoothies ready to go. Below you’ll find a simple method for freezing fruit, assembling smoothie bags, storing them safely, and blending a creamy, nourishing breakfast or snack. This recipe is flexible, nutritious, and perfect for busy routines.
How to Make a Strawberry Banana Spinach Smoothie
This strawberry banana spinach smoothie uses just a few wholesome ingredients and can be prepared fresh in about five minutes or assembled ahead as freezer-ready meal prep bags. Freezing fruit in advance keeps the smoothie thick and frosty without watering it down, and prepping bags in bulk saves time on busy mornings.
Step 1: Freeze Fruit
Buy berries and bananas when they’re on sale and freeze them for smoothies. To freeze, slice bananas and spread them and whole or sliced strawberries on a parchment-lined baking sheet. Freeze for roughly two hours, or until the fruit is solid. After they’re frozen, transfer the fruit to bags or containers. This method works well with most fruits and makes smoothie prep fast and consistent.
Step 2: Assemble Meal Prep Smoothie Bags
Once the fruit is frozen, divide it into pint-sized freezer bags for quick smoothie assembly later. Label each bag with the date and contents so you can rotate older bags first. For each bag, add:
- 1 cup frozen fruit (strawberries and bananas combined)
- 1 cup fresh spinach
- 1 teaspoon chia seeds
Optional Smoothie Add-Ins
Customize your smoothie bags with any of these mix-ins to change texture, flavor, and nutrition:
- Nuts or nut butter for healthy fats and creaminess
- Ground flaxseed for extra fiber and omega-3s
- Cocoa powder for a chocolate twist
- Dates for natural sweetness
- Extra fruit like mango or blueberries
- Kale in place of or alongside spinach for a different green profile
Step 3: Remove Air and Seal Bags
Squeeze out as much air as possible before sealing to minimize freezer burn. Press the frozen fruit flat in the bag so it stacks easily and takes up less space. Proper sealing keeps the fruit fresher and prevents ice crystals from forming on the ingredients.
Step 4: Freeze and Store
Label each bag with the recipe name and date, then place them in the freezer. Stored this way, meal-prep smoothie bags will keep up to three months. Rotate older bags to the front so they’re used first.
Step 5: Blend and Serve
When you’re ready to drink, empty one smoothie bag into a high-speed blender. Add approximately 1/2 cup unsweetened almond milk (adjust for desired thickness) and 2 tablespoons of vanilla protein powder or your favorite protein source. Blend on high for about one minute, or until the mixture is smooth and evenly combined. Top with fresh fruit, granola, or seeds if you like. If you prefer not to meal prep, simply add the fresh ingredients directly to the blender and blend.
More Green Breakfast Smoothie Ideas
If you enjoy this strawberry banana spinach smoothie, try experimenting with these ideas: swap spinach for kale, add matcha powder for a gentle caffeine boost, or make a smoothie bowl by using less liquid and topping with nuts and granola. Keeping a few variations of frozen fruit and add-ins on hand makes it easy to rotate flavors and nutrients.
Meal Prep Strawberry Banana Spinach Smoothie
Summary: A quick, nutritious green smoothie you can blend right away or assemble ahead as freezer-ready bags for busy mornings.
By: Lee Funke
Prep: 5 mins Cook: 0 mins Total: 5 mins Servings: 4
Ingredients
For the Meal Prep Smoothie Bags
- 2 cups frozen sliced bananas
- 2 cups frozen whole strawberries
- 4 cups fresh spinach (divided into 1 cup per bag)
- 4 teaspoons chia seeds (1 teaspoon per bag)
For Blending (per serving)
- 2 tablespoons vanilla protein powder (or preferred protein)
- 1/2 cup unsweetened almond milk (adjust as needed)
Instructions
For the Bags
- Line a baking sheet with parchment paper and freeze sliced bananas and whole strawberries for about 2 hours, until solid.
- Label four quart-size freezer bags with the date and recipe name. Add 1 cup of frozen fruit, a cup of fresh spinach (or a generous handful), and 1 teaspoon chia seeds to each bag.
- Squeeze out excess air, seal each bag tightly, and place them in the freezer for storage.
For Blending (per serving)
- Empty one smoothie bag into a blender.
- Add about 1/2 cup almond milk and 2 tablespoons protein powder.
- Blend on high until smooth, approximately 1 minute. Adjust liquid to reach your preferred consistency, then serve.
Tips & Notes
- Nutrition information is provided per serving as an estimate.
- Storage: Meal-prep smoothie bags stay fresh in the freezer for up to three months.
- Scale the recipe up or down to suit your household—this freezes and doubles easily.
- For a creamier texture, add a tablespoon of nut butter or half an avocado when blending.
Nutrition (approximate per serving)
Calories: 196 kcal, Carbohydrates: 23 g, Protein: 16 g, Fat: 4 g, Fiber: 6 g, Sugar: 14 g
Nutrition values are estimates and should be treated as approximate.