01 -
Preheat oven to 190°C. Line a baking sheet with heavy-duty aluminum foil and apply nonstick spray.
02 -
Arrange frozen crinkle-cut fries in a single layer on the prepared baking sheet. Sprinkle evenly with kosher salt and cracked black pepper. Bake for 20-25 minutes until crisp but not soggy, monitoring oven closely.
03 -
While fries bake, combine lean ground beef and finely chopped onion in a large stockpot or nonstick skillet over medium-high heat. Stir frequently for 5-7 minutes until beef is fully cooked and no pink remains. Drain excess liquids.
04 -
Reduce heat to medium. Stir in cream of mushroom soup, cheddar cheese soup, half and half, and Worcestershire sauce. Cook mixture for 2 minutes, stirring continuously. Remove from heat.
05 -
Coat a 23x33 cm baking dish with nonstick spray. Spread ground beef and soup mixture evenly into dish. Sprinkle 115 grams of shredded cheddar cheese over the mixture.
06 -
Transfer baked fries, distributing evenly atop the cheddar layer. Sprinkle remaining 225 grams shredded cheddar cheese over fries.
07 -
Return assembled dish to oven and bake for 18-20 minutes until cheese has fully melted and beef layer is bubbling. Serve immediately while hot.