The Best Patty Melt Recipe with Secret Sauce – A Flavor Explosion - Home Recipe Guide

Ingredients

• 1 lb ground beef
• 8 slices rye bread
• 8 slices Swiss or American cheese
• 2 medium onions, thinly sliced
• 2 tbsp butter, for sautéing
• Salt & pepper, to taste
• Additional butter, for toasting bread
• 1/4 cup mayonnaise
• 1 tbsp ketchup
• 1 tsp Dijon mustard
• 1 tsp relish
• 1/2 tsp garlic powder