Comfort Food Recipe: Make This Mushroom Pesto Lasagne

Ingredients

• 9 ounces goat's cheese
• 2 1/2 cups warm béchamel sauce
• 1 teaspoon olive oil
• 12 sheets dried or fresh lasagne
• 7 ounces rostello-style ham
• 1/2 cup grated Parmesan
• 14 ounces mushrooms
• 1 cup hazelnuts
• 1 3/4 ounces Emmental
• 3/4 cup plus 2 tablespoons olive oil
• Zest and juice of 1 lemon
• 3 garlic cloves
• 5 sprigs parsley
• 1 teaspoon flaked sea salt
• Freshly ground mixed peppercorns
• 2 tablespoons butter
• 1 pinch salt
• 4 tablespoons all-purpose flour
• 2 cups plus 2 tablespoons milk
• 1 pinch each of pepper and ground nutmeg