01 -
Preheat the oven to 400°F to toast the brioche buns later.
02 -
Place the ground beef and diced onions into a large non-stick skillet over medium-high heat. Crumble the beef thoroughly as it cooks until fully browned.
03 -
Once the beef is cooked, carefully drain the grease from the skillet.
04 -
Stir in the frozen corn kernels. Then add water, brown gravy mix, salt, and black pepper. Stir to combine.
05 -
Bring the mixture to a boil, then reduce heat to low and simmer until thickened with almost no liquid remaining.
06 -
While the beef mixture simmers, prepare the instant mashed potatoes according to the package directions.
07 -
Remove the skillet from heat, add the shredded cheese to the beef mixture, and stir just until the cheese is melted.
08 -
Arrange the brioche buns on a baking sheet and toast them in the preheated oven for approximately 4 minutes.
09 -
Scoop prepared mashed potatoes on the bottom halves of the toasted buns, spoon the beef and cheese mixture over the potatoes, then cover with the top bun halves.
10 -
Serve immediately and enjoy the hearty flavors.