Ultimate Patty Melt with Secret Sauce

Ultimate Patty Melt with Secret Sauce

Ingredients:

• 1 lb ground beef
• 8 slices of rye bread
• 8 slices of Swiss cheese
• 1 large onion, thinly sliced
• 4 tbsp butter, plus more for spreading
• Salt and pepper to taste

For the Secret Sauce:

• 1/2 cup mayonnaise
• 2 tbsp ketchup
• 1 tbsp relish
• 1 tsp Worcestershire sauce
• 1/2 tsp garlic powder
• 1/2 tsp onion powder
• Salt and pepper to taste

Directions:

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