Ultimate Comfort: My Grandma's Easy Patty Melt Recipe You’ll Love!

Ingredients

• 1/2 lb (225 g) ground beef (80/20 blend for flavor and juiciness)
• 1/2 medium onion, thinly sliced (about 1/2 cup)
• 2 slices of Swiss cheese (or American cheese)
• 4 slices of rye bread (or whole wheat for a healthier option)
• 2 tablespoons unsalted butter (for toasting)
• 1 teaspoon Worcestershire sauce
• Salt and pepper to taste