Winter Vegetable Au Gratin Recipe

Ingredients

• 4 tablespoons butter
• 3 tablespoons all-purpose flour
• 2 cups whole milk
• 1/4 teaspoon freshly grated nutmeg
• 1 teaspoon salt
• 1/2 teaspoon ground black pepper
• 1 1/2 cups Gruyère cheese, shredded
• 1/2 cup Parmesan cheese, grated
• 3 medium potatoes, thinly sliced
• 1/2 small butternut squash, peeled and thinly sliced
• 2 medium parsnips, peeled and thinly sliced
• 8 ounces brussels sprouts, halved
• 1 tablespoon olive oil
• 1/2 cup breadcrumbs
• 2 tablespoons fresh parsley, chopped