Mushroom Casserole Au Gratin | Canadian Goodness

Ingredients

• 2 lb (1 Kg) white mushrooms coarsely sliced
• 2 tbsp (30 mL) chopped fresh parsley
• 1/2 cup (125 mL) chopped shallots
• 2 tbsp (30 mL) butter
• Salt and pepper to taste
• A few pinches of paprika
• Cheese Sauce
• 1/2 cup (250 mL) grated Canadian Canadian-Swiss cheese or Canadian Swiss cheese
• 1 cup (250 mL) sour cream
• 1 egg yolk
• 1 egg