This Keto Sweet Potato Casserole delivers the familiar comfort of sweet potatoes without the carb overload. By swapping traditional sweet potatoes for a blend of cauliflower and pumpkin, we achieve a similar texture and sweetness while keeping net carbs low.
Advertisements1
The recipe uses a savory-sweet seasoning profile with cinnamon and nutmeg, balanced by a crunchy almond flour pecan topping. It's designed to be a versatile side dish that pairs well with roasted meats or as a vegetarian main.
I've tested this casserole multiple times to ensure it holds together and browns beautifully. The key is squeezing out excess moisture from the cauliflower and using a food processor for a smooth puree.
Why You'll Love This Recipe
About the Ingredients
1 medium head cauliflower (about 2 lbs or 900g), cut into florets
Use fresh cauliflower for best texture; frozen works but must be thoroughly thawed and squeezed dry.
1 cup (240g) canned pumpkin puree
Not pumpkin pie filling; ensure it's 100% pure pumpkin. Substitute with mashed cooked butternut squash.
1/4 cup (60g) unsalted butter, melted
Use grass-fed butter for richer flavor; coconut oil works for dairy-free.
1/4 cup (60ml) heavy cream
Full-fat heavy cream adds richness; substitute with coconut cream for dairy-free.
2 large eggs, lightly beaten
Eggs help bind the casserole; use flax eggs for vegan option (2 tbsp flaxseed + 6 tbsp water).
1/4 cup (30g) erythritol or monk fruit sweetener
Adjust to taste; use a granulated sweetener that measures like sugar. Swerve is a good option.
1 teaspoon ground cinnamon
Freshly ground cinnamon gives more aroma; substitute with pumpkin pie spice.
1/2 teaspoon ground nutmeg
Freshly grated nutmeg is more potent; adjust to taste.
1 teaspoon vanilla extract
Pure vanilla extract adds depth; imitation vanilla works too.
1/2 teaspoon salt
Fine sea salt is best; adjust to your preference.
1 cup (100g) almond flour
Use super-fine almond flour for best texture; you can grind your own from blanched almonds.
1/2 cup (50g) chopped pecans
Toast the pecans beforehand for extra flavor; walnuts or hazelnuts work as substitutes.
Tips & Tricks
Don't over-process the puree
blend until smooth but not gummy; over-mixing can make it gluey.
- Squeeze the cauliflower really dry after cooking: use a clean kitchen towel to wring out as much liquid as possible to avoid a watery casserole.
- Let the casserole rest for 10 minutes after baking: this allows it to set and makes slicing cleaner.
- If using frozen cauliflower, thaw completely and press out all water before cooking.
Pro Tips
Step-by-Step Instructions
1. Preheat and prep
Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish with butter or non-stick spray.
2. Cook cauliflower
Place cauliflower florets in a microwave-safe bowl with 2 tablespoons water. Cover and microwave on high for 8-10 minutes until very tender. Alternatively, steam on stovetop for 10-12 minutes. Drain well.
3. Puree filling
In a food processor, combine the cooked cauliflower, pumpkin puree, melted butter, heavy cream, eggs, sweetener, cinnamon, nutmeg, vanilla, and salt. Process until completely smooth, scraping down the sides as needed. The mixture should be thick and creamy.
4. Assemble casserole
Pour the puree into the prepared baking dish and spread evenly with a spatula.
5. Make topping
In a small bowl, mix almond flour, chopped pecans, and 2 tablespoons melted butter (or use additional butter from recipe) until crumbly. Sprinkle evenly over the casserole.
6. Bake casserole
Bake in the preheated oven for 25-30 minutes until the topping is golden brown and the edges are bubbling. The internal temperature should reach 165°F (74°C).
7. Rest and serve
Let the casserole rest for 10 minutes before serving. This allows it to set and makes serving easier.
Delicious Variations
Maple Pecan
Replace the sweetener with 2 tablespoons sugar-free maple syrup and add 1/4 teaspoon maple extract to the filling.
Savory Herb
Omit cinnamon and nutmeg; add 1 teaspoon dried thyme and 1/2 teaspoon garlic powder.
Coconut Almond
Swap pecans for unsweetened coconut flakes and use coconut oil instead of butter in the topping.
How to Store Sweet Potato Recipes Keto
Refrigerator
Store leftovers in an airtight container in the fridge for up to 4 days.
Freezer
Freeze the baked casserole (without topping) for up to 3 months. Thaw overnight in the fridge, then reheat with fresh topping.
Reheating
Reheat individual portions in the microwave for 1-2 minutes or in a 350°F (175°C) oven for 10-15 minutes until warmed through.
Frequently Asked Questions
Q: Can I use real sweet potatoes on a keto diet?
No, regular sweet potatoes are high in carbs. This recipe uses cauliflower and pumpkin to mimic the texture and flavor while keeping carbs low.
Q: How many net carbs are in a serving?
Each serving has approximately 8g net carbs (total carbs minus fiber). The exact count depends on your sweetener and specific brands.
Q: Can I make this casserole ahead of time?
Yes, you can assemble the casserole up to 24 hours in advance. Cover and refrigerate, then bake as directed, adding 5-10 minutes to the baking time if baking cold.
Q: What can I use instead of almond flour for the topping?
You can use crushed pork rinds for a savory crunch, or sunflower seed flour for a nut-free option. Keep in mind the texture will vary.
If you try this Keto Sweet Potato Casserole, let me know how it turns out in the comments below. Don't forget to share your tips and variations! Keep it simple, keep it growing.
Sweet Potato Recipes Keto
Keto Sweet Potato Casserole: a creamy, savory low-carb side with crispy topping. Perfect for holiday dinners or meal prep.
🧂 Ingredients
- 1 medium head cauliflower (about 2 lbs or 900g), cut into florets
- 1 cup (240g) canned pumpkin puree
- 1/4 cup (60g) unsalted butter, melted
- 1/4 cup (60ml) heavy cream
- 2 large eggs, lightly beaten
- 1/4 cup (30g) erythritol or monk fruit sweetener
- 1 teaspoon ground cinnamon
- 1/2 teaspoon ground nutmeg
- 1 teaspoon vanilla extract
- 1/2 teaspoon salt
- 1 cup (100g) almond flour
- 1/2 cup (50g) chopped pecans
📋 Instructions
- 1Preheat and prep — Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish with butter or non-stick spray.
- 2Cook cauliflower — Place cauliflower florets in a microwave-safe bowl with 2 tablespoons water. Cover and microwave on high for 8-10 minutes until very tender. Alternatively, steam on stovetop for 10-12 minutes. Drain well.
- 3Puree filling — In a food processor, combine the cooked cauliflower, pumpkin puree, melted butter, heavy cream, eggs, sweetener, cinnamon, nutmeg, vanilla, and salt. Process until completely smooth, scraping down the sides as needed. The mixture should be thick and creamy.
- 4Assemble casserole — Pour the puree into the prepared baking dish and spread evenly with a spatula.
- 5Make topping — In a small bowl, mix almond flour, chopped pecans, and 2 tablespoons melted butter (or use additional butter from recipe) until crumbly. Sprinkle evenly over the casserole.
- 6Bake casserole — Bake in the preheated oven for 25-30 minutes until the topping is golden brown and the edges are bubbling. The internal temperature should reach 165°F (74°C).
- 7Rest and serve — Let the casserole rest for 10 minutes before serving. This allows it to set and makes serving easier.
Liam covers personal finance and investing for beginners, demystifying money management with clear, no-nonsense advice. He focuses on budgeting, saving, and long-term wealth building, often using real-life scenarios to illustrate concepts.
