If you’re searching for 36 keto sweet potato casserole ideas that are truly low-carb, comforting, and perfect for holidays or weekly meals, you’re in the right place. Traditional sweet potato casserole is loaded with sugar and carbs, but keto cooking gives us smart alternatives that taste just as indulgent—without kicking you out of ketosis.
What Is a Keto Sweet Potato Casserole?
A keto sweet potato casserole recreates the flavor and texture of classic sweet potato dishes using low-carb substitutes instead of real sweet potatoes (which are too high in carbs for keto).
Common Keto Sweet Potato Substitutes
- Cauliflower
- Pumpkin purée (unsweetened)
- Kabocha squash (used in small portions)
- Butternut squash (controlled portions)
- Turnips
- Rutabaga
Keto Sweeteners Used
- Erythritol
- Monk fruit
- Stevia
Why You’ll Love These 36 Keto Sweet Potato Casserole Recipes
- Perfect for keto, low-carb, and sugar-free diets
- Great for Thanksgiving, Christmas, and meal prep
- Family-friendly flavors
- Easy to customize (sweet or savory)
- Comfort food without guilt
36 Keto Sweet Potato Casserole Recipes
Below are 36 complete keto sweet potato casserole recipes, each with unique flavors and ingredients.
Classic & Holiday-Style Keto Casseroles
1. Classic Keto Sweet Potato Casserole
Cauliflower mash blended with butter, cream, cinnamon, and monk fruit, baked until golden.
2. Keto Sweet Potato Casserole with Pecan Topping
Cauliflower base topped with chopped pecans, keto brown sweetener, and butter.
3. Sugar-Free Keto Thanksgiving Casserole
Pumpkin purée, eggs, cream, vanilla, and cinnamon with a crunchy almond topping.
4. Keto Sweet Potato Casserole with Marshmallow Alternative
Uses homemade keto marshmallows over cauliflower-pumpkin mash.
5. Old-Fashioned Keto Sweet Potato Bake
Turnips mashed with butter, nutmeg, and keto sweetener, baked low and slow.
6. Southern-Style Keto Sweet Potato Casserole
Rich cream cheese base with cinnamon and pecan crumble.
Savory Keto Sweet Potato Casserole Recipes
7. Savory Keto Sweet Potato Casserole
Cauliflower mashed with garlic, thyme, and Parmesan cheese.
8. Keto Sweet Potato Casserole with Bacon
Cauliflower base mixed with crispy bacon and cheddar cheese.
9. Cheesy Keto Sweet Potato Casserole
Creamy cauliflower with mozzarella and sharp cheddar.
10. Keto Sweet Potato Casserole with Herbs
Fresh rosemary, sage, and thyme add depth to this savory dish.
11. Keto Sweet Potato Casserole with Ground Turkey
A protein-packed keto casserole perfect for dinner.
12. Keto Sweet Potato Casserole with Sausage
Savory sausage baked into a creamy cauliflower base.
Sweet & Dessert-Style Keto Casseroles
13. Cinnamon Keto Sweet Potato Casserole
Pumpkin purée with cinnamon, nutmeg, and vanilla.
14. Keto Sweet Potato Casserole with Cream Cheese
Extra creamy and rich, perfect for holidays.
15. Maple-Flavored Keto Sweet Potato Casserole
Uses sugar-free maple syrup for classic flavor.
16. Keto Sweet Potato Casserole with Coconut
Cauliflower mash mixed with coconut cream and flakes.
17. Chocolate Keto Sweet Potato Casserole
Pumpkin purée with cocoa powder and keto sweetener.
18. Vanilla Almond Keto Sweet Potato Casserole
Almond extract and almond flour topping add elegance.
Healthy & Dairy-Free Keto Casseroles
19. Dairy-Free Keto Sweet Potato Casserole
Uses coconut cream instead of dairy.
20. Vegan-Style Keto Sweet Potato Casserole
Pumpkin purée with almond milk and flax eggs.
21. Paleo Keto Sweet Potato Casserole
Natural sweeteners and ghee for clean keto eating.
22. Keto Sweet Potato Casserole with Olive Oil
Savory and light with Mediterranean flavors.
23. Low-Calorie Keto Sweet Potato Casserole
Cauliflower and pumpkin are blended for fewer calories.
24. Keto Sweet Potato Casserole with Zucchini
Hidden veggies add nutrition and texture.
Creative & Modern Keto Sweet Potato Casserole Recipes
25. Spicy Keto Sweet Potato Casserole
Cinnamon, cayenne, and paprika for heat.
26. Keto Sweet Potato Casserole with Jalapeño
Sweet and spicy with cream cheese.
27. Asian-Inspired Keto Sweet Potato Casserole
Ginger, sesame oil, and coconut cream.
28. Keto Sweet Potato Casserole with Curry
Warm curry spices transform the classic.
29. Lemon Keto Sweet Potato Casserole
Bright citrus flavor balances sweetness.
30. Keto Sweet Potato Casserole with Orange Zest
Holiday-ready with festive aroma.
Quick & Meal-Prep Keto Sweet Potato Casseroles
31. One-Pan Keto Sweet Potato Casserole
Everything is baked in one dish for easy cleanup.
32. Make-Ahead Keto Sweet Potato Casserole
Freezer-friendly and perfect for busy schedules.
33. Keto Sweet Potato Casserole Cups
Individual servings for portion control.
34. Keto Sweet Potato Casserole in the Air Fryer
Fast cooking with crispy edges.
35. Instant Pot Keto Sweet Potato Casserole
Creamy and quick with pressure cooking.
36. Family-Size Keto Sweet Potato Casserole
Large batch recipe ideal for gatherings.
Tips for the Best Keto Sweet Potato Casserole
- Drain the cauliflower well to avoid a watery texture
- Balance sweeteners carefully
- Add eggs for structure
- Toast nuts for extra crunch
- Let the casserole rest before serving
Final Thoughts on 36 Keto Sweet Potato Casserole Recipes
These 36 keto sweet potato casserole recipes prove that low-carb eating doesn’t mean sacrificing comfort or tradition. From classic holiday favorites to savory dinner casseroles, you now have enough inspiration to enjoy this dish all year long—without breaking ketosis.
