Keto Cauliflower Gratin

Growing up in the midwest, I grew up eating potatoes au gratin - specifically at large church gatherings in large aluminum foil trays, oozing with cheese- but those days of carb loading are over.

Imagine my excitement when I realized that cauliflower - when roasted and baked - tastes exactly like potatoes. Well, maybe not exactly, but closely enough when there’s cheese involved. It’s cheesy potatoes without all of the guilt and coma-inducing carbs.

Originally I made it only with mozzarella cheese, but found it to be lacking in flavor, so adding a bit of cheddar cheese was just the sharp flavor that the dish needed. The cheese gets crispy and salty, the cauliflower is creamy and everything from the flavors to the texture is amazing.

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Keto Cauliflower Gratin

Makes: 4 servings

Keto Cauliflower Gratin

Prep time:

Cook time:

  • 1 teaspoon sea salt
  • 2 heads cauliflower broken up into florets (around 6-7 cups)
  • 2 cups shredded mozzarella cheese
  • 1 cup shredded cheddar cheese
  • 8 oz (1 block) cream cheese
  • 1/2 teaspoon onion powder
  • 1/4 teaspoon nutmeg
  • 1/4 teaspoon black pepper
  • 1/4 cup pork rinds, crushed into crumbs

  1. Preheat oven to 400 F. Add sea salt to a large pot of water and bring to a boil, then blanch cauliflower for 5 minutes.
  2. Drain cauliflower. In a large bowl mix together cauliflower, cream cheese, onion powder, nutmeg, and black pepper until well incorporated.
  3. In a large casserole dish or gratin dish, place cauliflower-cream cheese mixture in a single layer. Sprinkle cheddar cheese, then mozzarella cheese over the cauliflower until completely and evenly covered. Sprinkle pork rind crumbs over the top of the cheese.
  4. Bake for 30 minutes or until cheese is melted and golden brown. Enjoy hot, but also reheats very well too.

We just got finished eating this for dinner (alongside a succulent and delicious pork tenderloin) , and I have never felt so immensely satisfied in my life without the guilt of eating too many carbs. This one is definitely a keeper!

If you liked this recipe, and you’re interested in learning more about the keto diet - even if you’re new to going low carb - I’ve put together a little introductory guide that you might find helpful.

What is the keto diet?