01 -
In a large bowl, combine ground beef, ketchup, Worcestershire sauce, onion powder, garlic powder, salt, smoked paprika, black pepper, and water. Mix thoroughly and set aside.
02 -
In another large bowl, mix Yukon gold potatoes, frozen sliced carrots, olive oil, garlic powder, salt, and black pepper until evenly coated.
03 -
Lay out six sheets of 18x12 inch heavy-duty aluminum foil. Spray each with nonstick cooking spray. Place one-sixth of the vegetable mixture in the center of each sheet.
04 -
Divide the ground beef mixture into six equal patties. Place one patty atop the vegetables on each foil sheet, then distribute onion slices evenly over the patties.
05 -
Add one tablespoon of salted butter onto each patty to enhance moisture and flavor.
06 -
Fold and crimp each foil sheet securely to form sealed packets, ensuring no air can escape.
07 -
Preheat grill to 400°F (medium-low to low heat). Place foil packets on the grill and close lid. Cook for 30 to 40 minutes until burgers reach an internal temperature of 160°F and vegetables are tender.
08 -
Carefully remove packets from the grill, open cautiously, and serve warm.