Butternut Squash and Hazelnut Lasagne - With meat

5 1/2 cups chicken stock or 5 1/2 cups vegetable stock or 5 1/2 cups canned broth 2 tablespoons unsalted butter 1 large onion , chopped 1 butternut squash,[...]

1/3 cup heavy cream 2 tablespoons finely chopped toasted hazelnuts salt & freshly ground black pepper, to taste 2 tablespoons unsalted butter 1 yellow onion ,[...]

2 lbs butternut squash, seeded and halved 1 medium onion , chopped 1 1/2 teaspoons ground sage 1 tablespoon butter 1 minced garlic clove 3 ounces goat cheese,[...]