Goody Girl Potatoes Recipe

Ingredients

• 6 medium Russet potatoes
• 3 tablespoons Unsalted butter
• 3 tablespoons All-purpose flour
• 2 1/2 cups Whole milk
• 2 cups Sharp cheddar cheese, shredded
• 1/2 cup Parmesan cheese, grated
• 1 teaspoon Garlic powder
• 1 teaspoon Onion powder
• 1 1/2 teaspoons Salt
• 1/2 teaspoon Black pepper
• 2 tablespoons Fresh parsley, chopped (optional, for garnish)
• 1 as needed Non-stick cooking spray