01 -
Set your oven to 350°F (175°C) and lightly grease a 9x13 pan.
02 -
Using a frying pan, cook the beef over medium heat. Break it into small pieces until browned, then drain the fat. Toss in the diced onion and cook for 2-3 minutes until soft and see-through.
03 -
Grab a large bowl and whisk together the sour cream, cream of mushroom soup, cream of chicken soup, salt, garlic powder, and black pepper. Stir until smooth.
04 -
Pour the cooked beef and onion into the soup blend. Stir in the egg noodles and frozen peas (if you’re adding them). Mix everything evenly.
05 -
Gently mix in 1 cup of the shredded cheese so it’s spread throughout.
06 -
Spoon the combined mixture into the greased pan, spreading it out.
07 -
Cover the top with the remaining shredded cheddar and then sprinkle on the breadcrumbs or crushed chips.
08 -
Pop the dish into the oven and bake for 30 to 35 minutes. The top should turn a nice golden color, and the casserole should bubble.
09 -
Let it rest for about 5 minutes, then scoop and enjoy!