Creamy Mushroom Leek And Gruyere Casserole Recipe

Ingredients For Creamy Mushroom Leek And Gruyere Casserole Recipe

• 5 tablespoon Butter, divided
• 1 stalk Leek, , halved lengthwise and then sliced crosswise
• 0.5 teaspoon Each salt and pepper
• 8 ounce 3 pkgs cremini and/or button mushrooms, sliced
• 0.33000000000000007 cup All purpose flour
• 1.25 cup Chicken broth, or sub vegetable broth to keep it vegetarian
• 0.5 cup Whipping cream 35
• 2 tablespoon Grainy dijon mustard
• 0.5 cup Chopped fresh parsley
• 1 tablespoon Chopped fresh thyme
• 4 teaspoon Lemon juice
• 2 cup Fresh bread crumbs, slightly stale bread, processed in food processor
• 0.75 cup Grated gruyere cheese
• 2 tablespoon Butter, melted
• 2 tablespoon Chopped fresh parsley