Mushroom Julien starinny recipe - RusCuisine.com

Ingredients

• 2 lb assorted fresh wild mushrooms, brushed clean and sliced
• 1/2 cup dry Porcini mushrooms
• 1 large Spanish onion, sliced into thin quarter-rounds
• 1 cup sour cream
• 1 cup whole milk, warmed and kept hot
• pinch of nutmeg
• 1 tbsp all-purpose flour
• pinch of fennel seeds
• 1/2 lb Gruyere cheese, shredded
• 3 tbsp unsalted butter
• 4 tbsp vegetable oil
• salt and pepper to taste