Mushroom Gratin

1. 1

   Preheat oven to 425.

2. 2

   Heat butter in a skillet over medium-low heat.

3. 3

   When butter is foamy, add mushrooms and cook until lightly browned, stirring frequently.

4. 4

   In a bowl, whisk together the sour cream, egg yolk, and salt and pepper; stir this into the mushrooms.

5. 5

   Heat through, stirring frequently.

6. 6

   Pour the mixture into a baking dish and sprinkle with the parsley and shredded cheeses.

7. 7

   Bake at 425 for about 12 minutes, until cheese is melted.

* Per serving · 4 servings · Values may vary.

No additional tips available.