Mushroom Leek Gratin

👨‍🍳 Instructions

1. 1

   {'id': 'step_0', 'step': 1, 'text': 'Preheat the oven to 400 degrees F (200 degrees C).'}

2. 2

   {'id': 'step_1', 'step': 2, 'text': 'Melt butter in a large frying pan over medium heat. Add leeks and celery root and cook for 10 minutes. Add mushroom pieces, 1/2 of the tarragon, and 1/2 of the chives; continue cooking until mushrooms release their liquid, about 6 minutes more.'}

3. 3

   {'id': 'step_2', 'step': 3, 'text': 'Meanwhile, combine bread crumbs and Gruyère cheese in a mixing bowl.'}

4. 4

   {'id': 'step_3', 'step': 4, 'text': 'Sprinkle flour over the mushroom mixture and stir until absorbed, about 1 minute. Pour in heavy cream slowly while stirring until sauce thickens and turns evenly creamy, about 3 minutes. Add half of the bread crumb–cheese mixture to the pan and stir until the cheese begins to melt, about 2 minutes.'}

5. 5

   {'id': 'step_4', 'step': 5, 'text': 'Remove from heat and transfer mixture to a greased baking dish. Top with remaining tarragon, chives, and the rest of the bread crumb mixture. Drizzle with a small amount of water to moisten.'}

6. 6

   {'id': 'step_5', 'step': 6, 'text': 'Bake in the preheated oven until the cheese is bubbly, about 10 minutes. Serve immediately.'}

📊 Nutrition Facts

Per serving (6 servings total)