01 -
Set the oven to 350°F (175°C). Boil salted water, cook the noodles until chewy, then drain and leave them be.
02 -
Over medium heat in a big pan, cook the beef with the garlic salt until browned. If there's extra fat, drain it. Stir in the marinara sauce and let it bubble for 10 minutes.
03 -
In a bowl, combine sour cream, the softened cream cheese, and the onion bits until smooth and blended well.
04 -
In a large baking dish (9x13-inch), layer half the noodles, then pour on the beef mixture, followed by the creamy mixture. Add the rest of the noodles on top.
05 -
Scatter the shredded cheddar all over. Pop it in the oven for 25 minutes, or until the cheese gets bubbly and perfectly melted.
06 -
Let it cool for a few minutes. Dive into the hearty, layered deliciousness warm.