1 (16 ounce) package lasagna noodles
1 1/2 tablespoons olive oil
1 onion, chopped
1 carrot, finely chopped
1 stalk celery, finely chopped
3/4 pound mushrooms, chopped
2 cloves garlic, minced
1/2 cup dry white wine
1 (28 ounce) can diced tomatoes with juice
2 sun-dried tomatoes, chopped
1 teaspoon dried thyme
salt to taste
ground black pepper to taste
1/3 cup all-purpose flour
3 cups heavy whipping cream
1/4 teaspoon ground nutmeg
1 pinch salt
8 cups spinach, rinsed
1 cup grated Parmesan cheese