This peanut butter banana protein smoothie is creamy, balanced, and naturally sweet. With just five ingredients (including a scoop of protein powder and a cup of spinach! in each serving), it’s an easy, solid breakfast that comes together in minutes.

Banana spinach smoothie in two mason jars, topped with a drizzle of peanut butter. One jar has a metal straw in it.

Fruit and veggie-packed smoothies are my go-to on hectic Monday mornings—and the first thing I think of when my tween comes home hungry after school. They’re fast, reliable, and an easy way to work more vegetables into our day. While my Pumpkin Protein Smoothie and Blueberry Spinach Smoothie are longtime staples around here, this peanut butter banana version is quickly becoming a favorite.

This Peanut Butter Spinach Banana Protein Smoothie is a simple, no-cook breakfast that comes together in about 5 minutes and makes two servings (one for you and one to share!). It’s naturally sweet from bananas, packed with spinach, peanut butter, and gets a boost of staying powder from your favorite protein powder. It’s easy to make dairy-free and works just as well for a quick breakfast as it does for a filling snack.

So easy. Let’s make breakfast together. Just you and me…

The ingredients for spinach banana smoothie in a blender before pureeing.
Combine everything in blender. If you are not using a high-speed blender, combine the spinach and milk together first and blend before adding the remaining ingredients. This helps to make sure the veg gets evenly pureed.
Spinach banana smoothie in a blender after pureeing.
And blend. Add more ice and reblend for a thicker smoothie. Add a little water and reblend for a thinner one!

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Spinach banana smoothie in two mason jars with peanut butter drizzled on top. One jar has a straw in it.
5 from 11 votes

Peanut Butter Banana Protein Smoothie (with spinach!)

Yield: 2 servings
Prep Time: 5 minutes
Cook Time: 0 minutes
Cuisine: American
Course: Breakfast, Drinks
Author: Taesha Butler
This peanut butter banana protein smoothie is creamy, balanced, and naturally sweet. With just five ingredients (including a scoop of protein powder and a cup of spinach in each serving!), it’s an easy, solid breakfast that comes together in minutes.
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Ingredients
 

  • 2 handfuls spinach, fresh. See below for how to use frozen
  • 2 medium ripe bananas, fresh or frozen
  • 2 tablespoons peanut butter, or to taste
  • 1 ½ cups milk of choice, I used unsweetened almond
  • 2 scoops protein powder of choice, I like collagen powder. Or ½ cup Greek yogurt. Optional, but I find it helps to boost the protein of the smoothie
  • 1½ cup ice, omit if using frozen bananas

Equipment

Instructions
 

  • Combine all ingredients in a high-speed blender. Blend until smooth.
    If you don't have a high speed blender, blend ice, spinach, and milk first until spinach is pureed. Then add remaining ingredients and blend until smooth.
  • Check for consistency. If you prefer your smoothie thicker, add more ice and reblend. If you prefer your smoothie thinner, add more milk or water.
  • Enjoy immediately.

Notes

* If using frozen spinach, use about 1/2 cup
Serving: 0.5the recipe, Calories: 354kcal, Carbohydrates: 35g, Protein: 32g, Fat: 13g, Saturated Fat: 2g, Polyunsaturated Fat: 3g, Monounsaturated Fat: 5g, Cholesterol: 50mg, Sodium: 391mg, Potassium: 770mg, Fiber: 5g, Sugar: 18g, Vitamin A: 2969IU, Vitamin C: 19mg, Calcium: 372mg, Iron: 3mg
Nutritional information provided here is only an estimate shared for convenience and as a courtesy. Information will vary based on ingredients + brands used to create the recipe.