Classic Patty Melt Recipe

Ingredients

• 2 tablespoons olive oil
• 2 large yellow onions
• 1 pound freshly ground chuck
• 1 tablespoon onion powder
• 1 teaspoon salt
• 1 teaspoon freshly ground black pepper
• 8 thick slices deli-counter American cheese
• 8 thick slices white sandwich bread
• 1/2 cup thousand island dressing
• 2 tablespoons unsalted butter