Savory Layered Meatloaf with Mashed Potatoes and Melted Cheddar

Ingredients

• 1 lb ground beef (85/15 preferred)
• 1/2 cup plain breadcrumbs
• 1/3 cup milk
• 1 egg
• 1/4 cup ketchup
• 1 tsp garlic powder
• 1 tsp onion powder
• 1/2 tsp salt
• 1/2 tsp black pepper
• 3 cups mashed potatoes (prepared or leftover)
• 1/4 cup sour cream
• 2 tbsp butter
• Salt
• pepper
• 1 1/2 cups shredded cheddar cheese
• Fresh parsley (optional, for garnish)