Grilled Cheese Patty Melts for 4 Servings - Hello Recipes

Ingredients

• 1 lb ground beef (80/20 lean-to-fat ratio)
• 1 tsp kosher salt
• 1/2 tsp coarse black pepper
• 1/2 tsp garlic powder
• 1 tsp Worcestershire sauce
• 2 large yellow onions, thinly sliced
• 1 tbsp unsalted butter
• 1 tbsp water
• 1 pinch granulated sugar
• 8 slices thick-cut Rye bread
• 8 slices Swiss cheese
• 1/4 cup mayonnaise
• 2 tbsp softened butter