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Sugar-Free Brownie Batter Smoothie

4.7 stars, average of 181 ratings

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Typically, smoothies and milkshakes are packed with sugar from high carb fruits such as bananas and added sugar from traditional sweeteners. Did you know that frozen zucchini can be used instead of bananas? Unlike bananas, which are high in carbs and would spike your blood sugar levels, zucchini is the perfect alternative that will make your breakfast smoothies just as creamy and delicious but without the carbs—ingenious!

Zucchini will make this smoothie not just super creamy but will also more nutritious because it's a good source of potassium, just like avocados. Finally, cocoa powder is high in magnesium - an electrolyte most commonly deficient in modern diets. Just one serving of this keto-friendly smoothie will cover half of your daily electrolyte intake.

We all have different dietary needs and follow different keto macros so if you need to tweak the recipe, I included a few suggestions and alternatives below.

  • 1-2 tbsp collagen powder for extra protein
  • 1 tbsp MCT oil for healthy fats and energy boost
  • pinch of cinnamon, vanilla or cayenne pepper for flavor kick
  • substitute the almond milk with part coconut milk and water for extra fats

Hands-on Overall

Allergy information for Sugar-Free Brownie Batter Smoothie

✔  Gluten free
✔  Dairy free
✔  Egg free
✔  Nut free
✔  Nightshade free
✔  Pork free
✔  Coconut free
✔  Fish free
✔  Shellfish free
✔  Beef free

Nutritional values (per serving)

Net carbs8.6 grams
Protein7.7 grams
Fat20.1 grams
Calories250 kcal
Calories from carbs 14%, protein 13%, fat 73%
Total carbs23.1 gramsFiber14.5 gramsSugars4 gramsSaturated fat3.8 gramsSodium139 mg(6% RDA)Magnesium157 mg(39% RDA)Potassium1,393 mg(70% EMR)

Ingredients (makes 1 servings)


  1. Place all of the ingredients in a high-speed blender.
    Sugar-Free Brownie Batter Smoothie
  2. Blend until smooth. Add some water or almond milk if too thick and pulse again. Sugar-Free Brownie Batter Smoothie
  3. Consume immediately or freeze the smoothie in an ice cube tray for future smoothies.
    Sugar-Free Brownie Batter Smoothie

Ingredient nutritional breakdown (per serving)

Net carbsProteinFatCalories
Avocado, fresh
1.8 g2 g14.7 g160 kcal
Zucchini (summer squash, courgette)
2.4 g1.4 g0.4 g19 kcal
Cocoa powder, raw (cacao)
3.4 g3.2 g2.2 g37 kcal
Almond milk natural (unsweetened)
1 g1.2 g2.9 g34 kcal
Stevia extract (SweetLeaf or NuNaturals, natural low-carb sweetener)
0 g0 g0 g0 kcal
Total per serving
8.6 g7.7 g20.1 g250 kcal

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Lauren Lester
Creator of Healthful Creative

Lauren Lester

Lauren is a food photographer, recipe developer, and author.

She is the founder of the creative content agency, Healthful Creative. HC specializes in helping food centered brands share their story through recipe development + food photography.

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Comments (4)

Could I use shredded frozen zucchini? I have a TON of that....

Absolutely! That's even better because it will blend faster without potentially having any chunks of zucchini in the smoothie.

In my first couple of weeks of Keto. Just had this for breakfast. Tastes great! I didnt use any sweetener in mine becuase I quite like the taste of raw, unsweetened organic cacao. Shakes like this really help me istart up my day. Thanks for the recipe.

Thank you San!