Diet & Weight Magazine

Keto Mushroom Bake

By Carbophobic @carbophobic

Keto mushroom bakeMushrooms are so good at guzzling fat. You can bathe them in butter or oil during cooking. They will happily absorb it all and carry on as if nothing happened.

Mushrooms, therefore, are perfect for a fat-bomb-type meal. They are low in carbs, with only 2g net carbs per 100g (3.5oz). We will infuse them with huge amounts of fat for a fantastic Keto meal.

This Keto mushroom bake has a supremely rich and creamy taste, with a layer of golden baked cheese on top. The recipe is simple and ready in about 25-30 minutes.

It makes a great Keto meal on its own. Or try it as a side dish, to boost the fat content in lean protein meals like chicken breast or fish.

Recipe origins

This recipe is inspired by a Russian dish called mushroom julienne. Adapted from the French cuisine but a lot more popular in Moscow than in Paris!

"Julienne" actually refers to a method of cutting vegetables very finely into long thin strips. But we don't have to replicate that exactly for this version. Just any thin slices will do.

The original mushroom julienne recipe includes white sauce. I experimented and found that we can easily sub white sauce with crème fraîche or sour cream. This adds extra fat and ensures there are no carbs coming from the flour in the white sauce.

Keto mushroom bake ingredients

Mushrooms - standard pedestrian white mushrooms work perfectly well in this recipe. But you could use any other type of mushroom. Chestnut mushrooms, Portobello, forest mushrooms - anything you like. Except perhaps shiitake mushrooms, I am not sure if they absorb as much fat as other types.

Butter - any full-fat butter, either salted or unsalted. Grass-fed is better if you can get it.

Crème fraîche - this is basically a slightly posher version of sour cream. The reason I buy it is because it has more fat than sour cream - about 30-40% fat versus 20-25% fat in sour cream.

Cheese - any grated hard cheese that you would use on a pizza, for example, cheddar, Colby, Edam, Gruyere, Emmental or provolone, on their own or mixed with grated mozzarella. I just used cheddar and it was wonderful on its own.

Garlic - 1 clove of garlic is entirely optional - only if you like the taste.

Be careful with salt

Mushrooms guzzle salt as eagerly as they guzzle fat. They also reduce in size when cooking to a great extent. If you add the salt in the beginning, you might end up with very salty mushrooms. So it's best to season the dish once the mushrooms have reduced to their cooked volume.

Jazz it up further

Boost this recipe further by adding extra ingredients to the mushrooms. I am thinking something like sliced bacon, pancetta or ham. Maybe chicken meat?

Other veggies like courgettes, aubergines and peppers would work too, but fry them first.

Please remember to adjust the nutritional data provided for this recipe if you change or add any ingredients.

Keto mushroom bake

Keto mushroom bake

Prep time: 5 min | Cook time: 25 min | Total time: 30 min
Yield: 2 servings


  • 450g (1lb) white mushrooms
  • 90g (3oz) butter
  • 90ml (3oz) crème fraîche or sour cream
  • 60g (2oz) grated hard cheese
  • Optional - 1 clove or garlic, minced or finely chopped


  • Slice the mushrooms into thin slices. It will look like a big heap of mushrooms but they reduce in size to about a quarter of that once cooked.
  • Melt butter in a frying pan and fry the mushrooms for about 10-15 minutes, until golden brown.
  • When mushrooms are almost ready, season with salt and pepper and add garlic if using.
  • Add crème fraîche to the pan and mix well until all mushrooms are covered.
  • Put mushrooms into two individual ramekins and top with grated cheese.
  • Grill or bake on high heat for 5-10 minutes or so, until the cheese is completely melted, bubbling and golden

Nutritional information

Recipe by Margarita White (@Carbophobic), published on

Keto mushroom bake

Recommended Keto cookbooks

Do you need more Keto recipes? Try these great cookbooks.

Keto mushroom bake
Keto Mushroom Bake

Keto mushroom bake
Keto Mushroom Bake


Keto Mushroom Bake

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