Name: Classic Homemade Patty Melt Recipe
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Yield: 4 servings
Ingredients: 2 small onions (sliced); 4 tablespoons butter (divided); 8 slices sour dough ((or rye bread)); 16 slices swiss cheese (or cheddar); 1/4 cup thousand island dressing (optional); grainy mustard ((optional)); 1 lb lean ground beef; 1 teaspoon Worcestershire sauce; salt & pepper to taste