01 -
Preheat oven to 350°F (175°C). In a large skillet over medium heat, cook the ground beef and onions until the beef is browned and the onions are soft. Drain any excess fat. Season with garlic powder, salt, and pepper.
02 -
In a mixing bowl, combine the cream of mushroom soup, milk, ketchup, and mustard until smooth. Add the soup mixture to the skillet with the cooked beef, stirring until well mixed. Spread the beef mixture evenly in a 9x13-inch baking dish.
03 -
Sprinkle shredded cheddar cheese over the beef mixture. Arrange the frozen French fries evenly on top of the cheese layer.
04 -
Bake in the preheated oven for 30-35 minutes or until the fries are golden and crispy. For a cheesy finish, sprinkle additional cheese on top and bake for another 5 minutes or until melted.
05 -
Remove from oven and allow to cool slightly. Garnish with optional toppings like diced pickles, chopped tomatoes, or lettuce.