Cauliflower Au Gratin Keto Casserole
This low-carb cauliflower au gratin features creamy Gruyere cheese and heavy cream, delivering a comforting, cheesy casserole perfect for keto diets and easy family dinners.
Equipment
- 1 baking dish 8x10 inch recommended
- 1 oven preheated to 375°F
Ingredients
- 1 head cauliflower about 4 cups, sliced
- 2 cups Swiss Gruyere cheese shredded
- 4 green onions sliced
- Salt and black pepper to taste
- 1 ½ cups heavy cream
Instructions
- Preheat the oven to 375°F and spray an 8x10 inch baking dish with cooking spray.
- Slice the cauliflower into thin slices and arrange half of it in an even layer in the baking dish.
- Sprinkle half of the shredded Gruyere cheese over the cauliflower, then evenly distribute the sliced green onions on top.
- Season with salt and black pepper to taste.
- Add the remaining cauliflower in a second layer over the cheese and onions.
- Pour the heavy cream evenly over the entire dish, then top with the remaining Gruyere cheese.
- Cover the dish with foil and bake in the preheated oven for 30 minutes.
- Remove the foil and continue baking for another 40 minutes or until the cauliflower is tender and the cheese is golden brown.
- Let the casserole rest for 5 minutes before serving to allow it to thicken.
- Store leftovers in an airtight container.
Notes
- Use Swiss Gruyere for a rich, creamy sauce or substitute with Swiss or sharp cheddar.
- Adjust cream quantity slightly to control sauce thickness.
- Using half and half or frozen cauliflower may affect sauce consistency.
- Best baked in an 8x10 inch dish for ideal texture.