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Simple Blueberry Banana Smoothie

Frozen banana will create a slightly thicker smoothie, so if you plan to serve this through a straw, I recommend doing either frozen blueberries OR bananas, but not both. You can do all frozen fruit if you plan to serve it through a pouch or in an open cup—or if your child is used to drinking thick smoothies!
Course Smoothies
Cuisine American
Prep Time 5 minutes
Cook Time 0 minutes
Total Time 5 minutes
Servings 2
Calories 173kcal


  • 1 cup fresh or frozen blueberries
  • 1 ripe fresh or frozen sliced banana
  • 1 cup lightly packed baby spinach
  • 1 cup milk (such as unsweetened nondairy milk)
  • 1-2 teaspoons ground flaxseed, chia seed, OR hemp seed (optional)
  • 1-2 tablespoons peanut, almond, cashew, OR sunflower seed butter (optional)


  • Add all ingredients to a blender and blend on low for about 30 seconds. Increase the speed to high for 30-60 seconds or until very smooth.
  • Serve immediately or store in an airtight container in the fridge and use within 4 hours. (Shake before serving.) 


  • For babies under the ages of one, use nondairy unsweetened nut or seed milk.
  • Try a few tablespoons of avocado or 1/2 cup of frozen mango or mashed roasted sweet potato instead of banana.
  • If the smoothie is too thick for your little one to drink through their sippy cup or straw, stir in a little water or milk to thin.
  • Try a few fresh or frozen raw cauliflower florets, baby kale, raw zucchini or raw summer squash in place of the spinach.
  • Use one fresh and one frozen fruit for a not-too-thick smoothie that's easy for kids to drink through a straw.
  • You can use half yogurt and half milk to add probiotics.
  • This smoothie is best served on the day it's made, though you can make it ahead and store it in the fridge for up to 4-6 hours in an airtight container or reusable pouch.


Calories: 173kcal | Carbohydrates: 31g | Protein: 5g | Fat: 4g | Saturated Fat: 2g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Cholesterol: 12mg | Sodium: 66mg | Potassium: 513mg | Fiber: 4g | Sugar: 21g | Vitamin A: 1682IU | Vitamin C: 17mg | Calcium: 160mg | Iron: 1mg