Breakfast + Brunch / Drinks / Food / Vegan / Vegetarian

Peanut Butter Banana Spinach Smoothie

This creamy and delicious peanut butter banana spinach smoothie is packed with all the nutrients you need to kickstart your day.

Peanut Butter Banana Spinach Smoothie ingredients on table.

Close up of smoothie ingredients piled in blender.

I want to introduce you to my favorite smoothie in the whole wide world: my Peanut Butter Banana Spinach Smoothie. It sounds pretty generic, I know. But I’ve been happily drinking this blend for years and no other fusion of flavors has been able to tear me away from it.

In the third trimester of my pregnancy, the milkshake craving reared its delicious ugly head. Pretty dangerous when your town has countless burger joints that offer gargantuan shakes spun with cookies and syrups. (America!) To curb these cravings, I turned to this smoothie. The cold milky texture, the richness of peanut butter and banana, and the natural sweetness totally did the trick. Which is great! Because that left me with room for cookies ;) (I have to pick and choose my sweet tooth battles.)

So, what’s all in this smoothie?

The base of it is a few handfuls of baby spinach, half of a large banana, a tablespoon of natural peanut butter, and your choice of natural unrefined sweetener. The sweetener can be honey, maple syrup, dates, whatever you like! I also add a sprinkle of chia seeds and flaxseed meal in there for extra nutritional punch. 

Away from the table…

Phasing out plastic! Another brewery has stepped up its game and unveiled packaging that can be eaten by sea turtles. For years I’ve been obsessively (annoyingly?) reminding folks to cut up their plastic 6-pack rings to eliminate choking hazards for marine life. In a world that needs a whole lot less plastic, this kind of change is really promising.

Cruelty-free self-care! Last year, my goal was to go cruelty-free in our home wherever we could—with makeup, household cleaners, and toiletries. One brand of cruelty-free self-care products that I keep going back to is Raw Sugar. They’re made in SoCal, and their products and packaging are sustainable. Definitely check them out if you’re looking for promising cruelty-free goodies!

Peanut Butter Banana Spinach Smoothie prepared.

If you try this recipe or create your own variation, let me know in the comments! I love connecting with you. Then snap a photo and tag me on the Insta @killing__thyme to be featured in our newsletter.

Close up of bright green smoothie with chia seeds sprinkled on top.
Print Pin
5 from 4 votes

Peanut Butter Banana Spinach Smoothie

This creamy and delicious peanut butter banana spinach smoothie is packed with all the nutrients you need to kickstart your day.
Course Breakfast
Keyword breakfast, healthy, smoothie
Prep Time 5 minutes
Servings 1
Author Dana Sandonato


  • 2-3 handfuls of baby spinach
  • 1 banana
  • 1 TBSP natural peanut butter (or your favorite nut butter)
  • 1 cup milk (I like using oat milk or nut milks)
  • 1 tsp chia seeds
  • 1 tsp ground flaxmeal
  • 1-2 tsp unrefined sweetener (raw honey, pure maple syrup, etc)


  • Place all of the ingredients in a high-powered blender and blend until smooth. Serve/drink immediately.


  • Irene
    November 26, 2020 at 1:01 pm

    5 stars
    Tried the recipe. I added cinnamon.
    Creamy , tasty and fulfilling!
    Can one not gain weight from taking ths rich smoothie?

  • Paula Lombardo
    July 15, 2020 at 9:22 am

    5 stars
    I have been making this smoothie for the last 2 months myself and enjoy it so much!
    My recipe is a little different though…I use unsweetened vanilla almond milk, banana, natural peanut butter, spinach and add one scoop of OWYN chocolate powder and after blending all together…I will add a tablespoon of semi-sweet chocolate chips and briefly blend again. Yummy

    • Killing Thyme
      July 15, 2020 at 12:16 pm

      So glad you’ve been enjoying this, Paula! Still to this day, it’s my go-to :)

  • Joanna
    December 18, 2019 at 6:22 pm

    5 stars
    So creamy, delicious, and filling! <3 One of my new favorite smoothie recipes.

    • Killing Thyme
      December 18, 2019 at 6:28 pm

      Joanna! I’m so glad you enjoyed it. This is still my go-to! I can’t stray ;)

  • Court
    September 12, 2019 at 9:05 pm

    Would it be okay to throw a scoop of meal replacement in this?

    • Killing Thyme
      September 12, 2019 at 10:02 pm

      Hi Court! I don’t see that being a problem at all.

  • Elaine
    June 4, 2019 at 10:42 pm

    5 stars
    Love my morning smoothie and this one looks de-li-cious! Waiting to hear your baby news . . . :) Wishing you a comfortable 3rd trimester! (Is there such a thing?)

    • Killing Thyme
      July 15, 2019 at 9:34 am

      Thanks Elaine! <3 Lol, if there is such thing as a comfortable third trimester I'd like to meet the person who claims so ;)


Leave a Reply

Recipe Rating

This site uses Akismet to reduce spam. Learn how your comment data is processed.