Gluten-Free Mushroom Lasagna

Name: Gluten-Free Mushroom Lasagna
Prep time: 1 h
Cook time: 1 h 45 min
Total time: 1 h 45 min
Yield: 6 portions
Ingredients: 2 - 3 tbsp gluten-free flour; 1 homemade pasta dough; 2 oz Parmesan cheese; 2 garlic cloves; 1 oz extra virgin olive oil; 24 oz fresh cremini mushrooms; 6 oz fresh shiitake mushrooms; 2 tbsp dried parsley; ½ tsp salt; 1 pinch ground black pepper; 32 oz whole milk; 2 oz cornstarch; 1 pinch ground nutmeg; ½ tsp salt; 1 pinch ground black pepper; 2 oz unsalted butter; extra virgin olive oil; 16 oz raclette cheese