Funeral Potatoes Recipe with Crispy Cornflake Topping - My Home Made Recipe

Ingredients

• 1 tablespoon unsalted butter, for the onion
• 1/2 cup (75 g) finely chopped yellow onion
• 1 (30 oz/850 g) bag frozen shredded hash browns, thawed and patted dry
• 1 (10.5 oz/298 g) can condensed cream of mushroom soup
• 1 1/2 cups (360 g) sour cream
• 4 tablespoons (56 g) unsalted butter, melted
• 2 cups (225 g) shredded sharp cheddar cheese
• 1 cup (115 g) shredded Monterey Jack cheese
• 1 teaspoon garlic powder
• 1 teaspoon kosher salt
• 1/2 teaspoon black pepper
• 2 1/2 cups (70 g) cornflakes, lightly crushed
• 3 tablespoons (42 g) unsalted butter, melted
• 1 tablespoon chopped parsley or chives, optional