01 -
Set your oven to heat up at 350°F (175°C).
02 -
In a big skillet, cook the beef and diced onion over medium heat. Stir until the meat's cooked through.
03 -
Get rid of the excess grease. Then mix in the tomatoes, mushroom soup, garlic powder, seasonings, and a bit of salt and pepper.
04 -
Toss in the cooked pasta and mix everything together thoroughly.
05 -
Pour the mix into a greased baking pan. Sprinkle cheddar cheese generously on top.
06 -
Bake for 25-30 minutes, or until the cheese is bubbly and nicely melted.
07 -
Set it aside for a few moments to cool before digging in.