These juicy grilled beef burgers are a delightful twist on the classic hamburger, offering a burst of flavor in every bite.
Preheat your grill to medium heat and lightly oil the grates.
Oiling the grates prevents the burgers from sticking and ensures even cooking.
In a mixing bowl, combine the egg, ketchup, Worcestershire sauce, salt, and pepper.
Mix the ingredients gently to avoid overworking the meat, which can make the burgers tough.
Add the ground beef, finely chopped onion, and parsley to the bowl, and mix until just combined.
Use your hands to mix for better control and to avoid overmixing.
Shape the mixture into four equal patties, about 3/4-inch thick, and make a small indentation in the center of each patty.
The indentation helps the patties cook evenly and prevents them from puffing up.
Place the patties on the grill and cook for 5-7 minutes per side, or until the internal temperature reaches 160°F.
Avoid pressing down on the patties while cooking to retain their juices.
Serve the burgers on buns with your favorite toppings and enjoy.
Toast the buns on the grill for added flavor and texture.