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Pumpkin Pie Protein Smoothie

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Author:

Erin

Published:

October 21, 2025

Updated:

October 21, 2025

This post may contain affiliate links. Please read my disclosure policy for details.

Have your pumpkin pie and your protein too with this ultra creamy Pumpkin Pie Protein Smoothie. This made-for-fall beaut has 25 grams protein per glass and is perfect for breakfast or a post workout snack! It’s not icy like a lot of smoothies and has more of a shake consistency, but whatever you call it, you’ll be craving another tomorrow. Luckily they’re super easy to make and you probably have most of the 6 ingredients on hand right now.

  • Ingredients and Substitutions
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I’ll admit that the swirls of Greek yogurt inside the glass is really just for for show. Because nothing says “classy AF smoothie” like the Erewhon-esque swirl inside the glass, amirite?! Also, it’s just super cute and makes this smoothie even more crave-able and social media worthy.

Ingredients and Substitutions

Here’s what you’ll need to recreate this Pumpkin Pie Protein Smoothie:

  • Greek yogurt – I used Fage fat free, plain Greek yogurt here. The tanginess of it helps lend to that custard-like pumpkin pie flavor and helps make the smoothie creamy and high in protein. If you opt for a flavored or sweetened Greek yogurt, you may need to adjust or omit the maple syrup.
  • Milk – Any neutral tasting milk you like will work.
  • Pumpkin – Even though this is a pumpkin pie smoothie, be sure to use pumpkin puree rather than pumpkin pie mix so you can control the spices and sweetness.
  • Casein protein powder – Yes, casein. Not whey. You can’t sub them out 1 for 1 and still expect the same results – see below for more info on why and other substitutions you can make if you don’t want to buy casein.
  • Maple syrup – A touch of sweetness since we’re using plain Greek yogurt. Honey, brown sugar, maple sugar, 1:1 sugar substitutes, etc. will all work if you want to sub it out.
  • Pumpkin pie spice – I mean, it’s a pumpkin pie smoothie, you gotta use the pumpkin pie spice! If you don’t have any on hand, use 1/2 tsp cinnamon, 1/4 tsp ginger, 1/8 tsp nutmeg, and 1/8 tsp all spice instead.
  • Ice – Add more for a more traditional smoothie texture and more volume.

why use

Casein Protein Powder?

Casein protein helps thicken up the smoothie and yields an ultra creamy texture. Whey, on the other hand, leaves you with a much less creamy and more runny result. The taste will be pretty much the same, so if you like a more liquid smoothie, you can sub them out one for one.

If all you have on hand is whey protein, but still want the really creamy smoothie you see in the photos, here are some options (pick just 1!):

  • Add 1 small frozen banana
  • Freeze the pumpkin puree into cubes and throw them into the blender that way
  • Cut the amount of almond milk in half (but this will also decrease the volume of the smoothie)
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Pumpkin Pie Protein Smoothie

Prep: 10 minutes mins
Total: 10 minutes mins
Servings: 2 servings
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Have your pumpkin pie and your protein too with this ultra creamy fall smoothie. 25 grams protein per glass!
Servings: 2 servings

Ingredients

  • 1 cup fat free plain Greek yogurt, (8 fl oz)
  • 1 cup pumpkin puree, (8 fl oz)
  • 3/4 cup unsweetened vanilla almond milk, (6 fl oz)
  • 1 scoop Gold Standard 100% Casein Protein Powder, Creamy Vanilla, (33 grams)
  • 1 tbsp maple syrup, (0.5 fl oz)
  • 1 tsp pumpkin pie spice
  • 1 1/2 cups ice cubes

Instructions

  • Optional: Using the back of a spoon, swirl some Greek yogurt or whipped cream onto the inside walls of your glass. Set aside.
  • Add all ingredients to a blender and blend on high or using your blender's smoothie setting until smooth.
  • Divide evenly into two glasses and serve immediately.

Tips & Tricks

  • Protein powder: Check the notes before making any substitutions for the casein protein powder – other types of protein powder like whey will result in a less creamy, more runny smoothie.
  • Sweetness: Different brands of protein powder and yogurt have varying levels of sweetness, so if you made any substitutions, check to see if you need to adjust the amount of maple syrup to your taste before serving this smoothie up.
  • Nutrition: Scan the barcode below or search for “Peanut Butter and Fitness Pumpkin Pie Protein Smoothie” to log this food in My Fitness Pal.

Nutrition Information

Serving: 15fl oz, Calories: 204kcal (10%), Carbohydrates: 22g (7%), Protein: 25g (50%), Fat: 2g (3%), Polyunsaturated Fat: 1g, Monounsaturated Fat: 1g, Cholesterol: 14mg (5%), Sodium: 233mg (10%), Potassium: 537mg (15%), Fiber: 4g (17%), Sugar: 15g (17%)

Did You Make This?

If you make this, please leave a review and rating letting me know how you liked this recipe! This helps my business thrive & continue providing free recipes. You can also tag me on Instagram at @peanutbutterandfitness so I can see your creations!

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About Erin

Erin is the author behind Peanut Butter and Fitness. She started this website in 2013 as a way to keep track of her favorite healthier kitchen creations and meal preps. Today, she still loves playing with her food and camera while helping others strike a balance between indulgence and well-being.

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I like to describe PBF as a healthy eating blog with a dollop of indulgence. Here you’ll find high protein and veggie-packed meals with a side of cocktails and desserts.

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