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Keto Sweet Potato Casserole (Low Carb Alternative!)

This Keto “Sweet Potato” Casserole doesn’t actually have sweet potatoes in it – but trust me when I say you won’t mind! From the very first delicious bite of this low carb side dish, you’ll fall in love with its authentic taste and texture.

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Why You’ll Love This Keto Sweet Potato Casserole

  • Each delicious serving contains only 5g net carbs. If you want to make it extra delicious, serve it with some homemade whipped cream!
  • You will love the gluten-free topping. The topping uses almond flour instead of traditional flour, making it gluten-free and keto-friendly.
  • It’s the perfect holiday side dish or comforting fall dessert. This makes a fantastic low carb substitute for traditional sweet potato casserole at holiday gatherings, or you can make it any time for a delicious dessert. I love to make this on fall weekends and enjoy it with whipped cream. (Confession: sometimes I eat it for dessert… and sometimes I eat it for breakfast. 😉)

Ingredients Needed to Make This Low Carb Sweet Potato Casserole

Ingredient quantities for this homemade side dish casserole are located in the recipe card at the end of the post.

🍂 If you’re flexible with your carb intake (e.g., you eat a lower carb diet, but not keto), see the “Flexible With Your Carb Intake?” section below for an ingredient alternative.

How to Make Keto Sweet Potato Casserole {Quick Overview}

This is just a quick overview of some of the steps involved in making recipe. For the recipe in detail, including exact measurements used at each step, scroll to the recipe card at the end of the post.

Let’s get started! This recipe is super easy to make.

🍂 Tip: If your food processor or blender is big enough, I recommend making the entire filling in the processor or blender for convenience. If it’s not big enough, you’ll need to use it to process the cauliflower rice. After that, you can transfer everything into a bowl and use a hand mixer to finish the filling process.

Start by preparing your cauliflower rice per the bag instructions, then drain off any excess water and add the cauliflower rice to a food processor or blender along with the butter and cream cheese. Pulse or blend until the mixture resembles mashed potatoes.

Next, combine all of the dry filling ingredients in a small bowl and sprinkle the mixture over the cauliflower. Finally, add all remaining filling ingredients and pulse or blend until smooth and combined.

Spread the filling into your casserole dish, like this:

overhead view of sweet potato mixture in a white casserole dish ready for topping to be added

Make the topping and sprinkle it on top.

overhead view of topping added to sugar free sweet potato casserole

Add the casserole dish to your preheated oven and bake for 25-30 minutes until the filling is heated through and the topping begins to brown.

overhead view of gluten free sweet potato casserole out of the oven and cooling off

Serve and enjoy! As noted above, you can eat this plain or topped with homemade keto whipped cream.


Flexible with Your Carb Intake?

While the cauliflower + pumpkin combo does a pretty great job of imitating sweet potatoes, no substitute will ever be 100%. If you’re flexible with your carb intake, you can substitute some sweet potato puree for the pumpkin puree.

Note that each 1/2 cup of pumpkin puree contains 8g net carbs, whereas each 1/2 cup of sweet potato puree contains 19g net carbs. That means, for every 1/2 cup of sweet potato puree you use instead of pumpkin puree, the net carb intake of each serving increases by 1.1g.

A 15-oz can of pumpkin puree contains 3 1/2 cups total.

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Nutrition Facts for Keto Sweet Potato Casserole Recipe

Per serving (10 total servings):

  • 255 calories
  • 24g fat
  • 5g protein
  • 5g net carbs
overhead view of serving of keto sweet potato casserole on a white dish

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overhead view of keto sweet potato casserole on a white serving dish and gold serving spoon

Keto Sweet Potato Casserole

This Keto "Sweet Potato" Casserole doesn't actually have sweet potatoes in it – but trust me when I say you won't mind! From the very first delicious bite of this low carb side dish, you'll fall in love with its authentic taste and texture.
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Course: Dessert, Keto Side Dish
Cuisine: American, Western
Prep Time: 20 minutes
Cook Time: 25 minutes
Total Time: 45 minutes
Servings: 10
Calories: 255kcal

Ingredients

Filling

Topping

Instructions

  • Preheat oven to 350 F.
  • Prepare frozen riced cauliflower per package instructions. Carefully open and drain out any excess water.
  • Transfer riced cauliflower to a food processor or blender, followed by the butter and cream cheese. Pulse or blend until the cauliflower is smooth.
  • Combine Swerve Brown, almond flour, spices, and salt in a small bowl, then sprinkle mixture over the cauliflower.
  • Then add the pumpkin puree, vanilla extract, heavy whipping cream, and whisked eggs. (If this is too large for your food processor or blender, you can add everything to a separate mixing bowl.) Pulse or blend until smooth and combined.
  • Spread filling into a 9” x 13” casserole dish.

Topping

  • In a mixing bowl, mix butter and Swerve Brown until thoroughly combined.
  • Then add almond flour, cinnamon, and vanilla extract and mix to combine.
  • Add crushed pecans and combine the mixture again.
  • Sprinkle the topping mixture evenly over the filling mixture.
  • Bake for 25-30 minutes until the filling is heated through and the topping has started to brown.
  • Serve and enjoy!
Nutrition Facts
Keto Sweet Potato Casserole
Amount Per Serving
Calories 255 Calories from Fat 216
% Daily Value*
Fat 24g37%
Saturated Fat 9g56%
Trans Fat 0.3g
Polyunsaturated Fat 3g
Monounsaturated Fat 8g
Cholesterol 67mg22%
Sodium 150mg7%
Potassium 268mg8%
Carbohydrates 9g3%
Fiber 4g17%
Sugar 3g3%
Protein 5g10%
Vitamin A 7099IU142%
Vitamin C 18mg22%
Calcium 60mg6%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.

Nutrition Disclaimer



Nutrition facts are included as a courtesy only. They are accurate to the best of our knowledge based on the ingredients and brands used, but their accuracy is not guaranteed. If applicable, sugar alcohols have already been removed from the total carb count.

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Welcome! I’m Jessica.

On this site, you will find keto, low carb, gluten-free, and healthy recipes that don’t sacrifice flavor. 🍰 Thanks for visiting!