Hamburger and Potato Casserole with Cheddar Cheese - Quickie Recipe

Ingredients

• 1 lb (450 g) lean ground beef
• 1 small yellow onion, finely chopped
• 2 cloves garlic, minced
• 1 tablespoon Worcestershire sauce
• 1 teaspoon kosher salt, divided
• 1/2 teaspoon black pepper
• 1/2 teaspoon smoked paprika
• 1/2 teaspoon dried thyme
• 2 1/2 lb (1.1 kg) Yukon gold potatoes, sliced 1/8 inch thick
• 3 tablespoons unsalted butter
• 3 tablespoons all-purpose flour
• 1 1/2 cups (360 ml) whole milk
• 3/4 cup (180 ml) low-sodium beef broth
• 2 cups (225 g) shredded sharp cheddar cheese, divided
• 1 tablespoon chopped parsley or sliced green onion, for serving