This delicious Pumpkin Spice Latte Custard Shake has over 33 grams of protein! It’s perfect for any high protein diet, and with no added sugar, it’s keto-friendly.
Are you ready for all things pumpkin spice?
Do you want the flavor of a pumpkin spice latte without all the added sugar and calories?
Are you trying to get more protein in your diet?
Then this delicious Pumpkin Spice Latte Custard Shake recipe is exactly what you need!

It’s sugar-free.
And it’s low carb.
Plus, it’s high in protein!
Did I mention the pumpkin spice?
Hellooooooo, Fall!
Why Should You Make This Pumpkins Spice Latte Custard Shake?
If you’re in the mood for the taste of fall, then this delicious shake recipe is for you!
Or maybe you want a breakfast or snack that you can whip up in less than five minutes? Yup, I’ve got you covered with this yummy custard shake.
It has a secret ingredient that packs in extra protein.
You might see it and think. “No, thank you!” But trust me. It’s what makes this shake extra creamy with a taste like frozen custard.

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Ingredients in the Pumpkin Spice Latte Custard Shake
- unsweetened almond milk
- unsweetened cold brew coffee OR unsweetened chai tea
- canned pumpkin puree (optional)
- pumpkin spice
- Clean Simple Eats Vanilla Protein Powder
- ice cubes
- scrambled eggs
- cooking spray
Brewed Coffee
I love a good PSL, so I keep unsweetened cold-brewed coffee in the fridge to make it extra easy.
If you’re not a fan of coffee, no worries!
This high protein custard shake tastes amazing when made with unsweetened brewed chai tea instead of coffee.
To keep this shake keto-friendly, be sure to use unsweetened coffee or tea.
Secret Ingredient: Eggs
The key ingredient in any custard is egg.
Eggs are what give custard its color and its rich flavor.
They’re also a great source of protein!
When you make custard, you temper the eggs by adding them to hot milk to cook them.
Tempering is time-consuming, and since this shake will be mixed in a blender, it’s easiest to cook the eggs in a pan with a small amount of cooking spray like you would make scrambled eggs.
If you follow a keto diet and need more fat, you can add 1-2 tablespoons of refined cooking oil while scrambling the eggs.
This shake boasts 32 grams of protein, making it a great meal or snack for a high-protein diet.

How to Find the Best Protein Powder
Not all protein powders are created equal.
Many protein powders contain unhealthy ingredients.
When you’re looking for the best protein powder, consider whether your goal is weight loss or building muscle.
Next, decide whether you want plant or animal protein. Whey protein can help support fat loss.
Be careful of protein powders that contain sugars (remember, sugar can have lots of different names) or artificial sweeteners like sucralose or aspartame.
Personally, I look for grass-fed and organic whey protein with no added sugars, artificial colors, dyes, or artificial sweeteners.
Recently, I started using Clean Simple Eats protein powder because it checks all my boxes and has a great, creamy texture.
What is a Deep S meal?
Honestly, you should include deep S meals throughout the week.
These types of meals help you not overdo the kinds of fats that can lead to stalls.
Deep S meals are also a vital part of a fuel cycle, another tool to help if you find yourself at a weight loss plateau or stall.
Speaking of stalls, you might like my tips for breaking a THM stall.
The Deep S meal is a great “reset” for your next meal when you indulge in off-plan foods.

I love that this recipe makes a really big shake!
It’s enough to be a full meal or snack on its own.
If you choose to have one after a meal as a dessert, you may want to cut the recipe in half.
How To Make The Pumpkin Spice Latte Custard Shake a THM Deep S
Trim Healthy Mama is a lifestyle where you separate your fuels.
You can read more about our experiences with Trim Healthy Mama here.
Deep S meals strip out certain kinds of fats (particularly fat from dairy and nuts) and contain virtually no carbs.
If you follow THM and want to make this shake a Deep S, don’t add the pumpkin puree.
Be sure to leave a star rating and review after you make the recipe!
This helps other people to find and enjoy it too.

Pumpkin Spice Latte Custard Protein Shake
This Pumpkin Spice Latte Custard Shake is packed with flavor and protein! Perfect for keto and for Trim Healthy Mamas it's a Deep S.
Ingredients
Instructions
- Lightly spray a small frying pan with cooking spray. Over medium heat, scramble 2 eggs until set.
- Place all ingredients in a blender or blender cup. Blend on high for 45-60 seconds until completely blended.
- Pour shake into a cup and sprinkle with additional pumpkin pie spice or ground nutmeg.
Notes
Please note that we are not medical or nutritional professionals. We include nutrition information for our recipes as a courtesy to our readers. Nutrition data is calculated using WP Ultimate Recipe and we subtract all sugar alcohols from erythritol and xylitol from the final carb count because that is how THM calculates carbs. Please refer here for our complete Nutritional Disclosure.
Nutrition Information
Yield 1 Serving Size 1 shakeAmount Per Serving Calories 279Total Fat 11gSaturated Fat 3.2gUnsaturated Fat 5.4gCholesterol 415mgSodium 400mgCarbohydrates 11gNet Carbohydrates 5gFiber 1gSugar 1gSugar Alcohols 5gProtein 33g
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