Prepare Hard Rock Cafe Seasoning Salt (recipe below).
Place burgers on grill. Cook to desired doneness. Medium well is 155° F. After flipping burgers, add cheese slices, if desired, and season other side with seasoning salt.
In a large cast iron Dutch oven or pot, heat vegetable oil for deep frying. Carefully drop frozen French fry potatoes into the oil. The ice on the potatoes may cause the hot oil to pop and spatter. Cook fries to desired doneness. Drain on paper towels and sprinkle with seasoning salt to taste.
In a saucepan, heat 1 tablespoons butter. Add sliced yellow onions rings form 1 yellow onion and sauté until browned. Season with salt and pepper to taste.
Brush melted butter on each half of the buns and place hamburger buns on the grill to toast. Place your favorite cheese or cheese slices on the burgers to melt. To assemble the burger, place the burger on the toasted bun. Place saut� ed onions over the burger before covering it with the top part of the bun. Arrange the fries next to the burger. Garnish with lettuce leaves, red onion slices, tomato slices and bean sprouts. Serve immediately.
In a small bowl, combine all ingredients. Mix thoroughly and season burgers with this seasoning salt.Makes 4 Source: