Keto Creamy Scalloped Cauliflower with Mushrooms

Prep: 15 minCook: 1 hr 10 minmedium
Keto Creamy Scalloped Cauliflower with Mushrooms

Low-carb baked cauliflower casserole layered with sautéed portobello mushrooms and a smooth cheese sauce made from cream cheese, cheddar, and milk. Topped with melted cheese and finished under the broiler for a golden, bubbly crust. Dairy-rich comfort food suitable for keto and low-carb diets.

Ingredients

  • 1 head cauliflower, cut into 1-inch slices, sliced
  • 8 oz cream cheese
    mascarpone1:1dairy

    slightly sweeter

    Full guide →
  • 8 oz sharp cheddar cheese, shredded
    gruyere1:1dairycheesedairy-free

    nuttier flavor

    Full guide →
  • 2 cups milk
    heavy cream1:1dairyketo

    richer sauce

    Full guide →
  • 3 tbsp butter
    ghee1:1dairyketo

    clarified alternative

    Full guide →
  • 1 cup baby portobello mushrooms, diced
    cremini mushrooms1:1vegetable

    milder umami

    Full guide →
  • 1 tsp smoked paprika
  • 1 tsp garlic powder
  • ½ tsp sea salt

Instructions

  1. 1

    Heat oven to 350°F.

  2. 2

    Melt butter in a small pan, add diced mushrooms, and sauté until softened. Stir in smoked paprika and set aside.

  3. 3

    In a saucepan over low heat, melt butter with cream cheese and milk, stirring until smooth. Add garlic powder, salt, and shredded cheese, stirring until melted.

  4. 4

    Layer cauliflower slices in a casserole dish. Top with sautéed mushrooms and pour cheese sauce evenly over.

  5. 5

    Cover with foil and bake for 60 minutes.

  6. 6

    Remove foil, sprinkle with remaining cheese, and bake uncovered for 10 minutes or broil until cheese is golden and bubbly.

  7. 7

    Let cool for a few minutes before serving.

Tips

Tip 1

Cashew milk is preferred for a richer sauce, but any milk alternative works.

Tip 2

Cover with foil during baking to prevent cheese from browning too quickly.

Good to Know

Storage

Cover and refrigerate up to 3 days. Reheat covered at 350°F until warmed through.

Make Ahead

Assemble casserole up to 12 hours ahead before baking. Store covered in refrigerator.

Serve With

Let cool for a few minutes after baking to set before serving.

See pairing guide →

Common Mistakes

Watch

Do not skip the foil cover during the first 60 minutes to avoid cheese browning or drying out.

Watch

Do not use high heat when melting cream cheese to avoid curdling or lumps.

Substitutions

Dairy-Free Swaps

milk
heavy cream1:1dairyketo

richer sauce

Full guide →
butter
ghee1:1dairyketo

clarified alternative

Full guide →
sharp cheddar
gruyere1:1dairycheesedairy-free

nuttier flavor

Full guide →
cream cheese
mascarpone1:1dairy

slightly sweeter

Full guide →

General Alternatives

portobello mushrooms
cremini mushrooms1:1vegetable

milder umami

Full guide →
Find more substitutions →