Begin the recipe by grabbing a large skillet and placing it on the stovetop over medium-high heat. Add the 1 pound ground beef and break it meat apart into smaller pieces as it cooks. Once it browns, drain off any excess grease/excess fat.
Add the 1 cup onion, stir to combine, and cook until the onion begins to soften about 2 to 3 minutes.
Add the two 15 ounces cans of tomato sauce, 1 teaspoon garlic powder, 1 teaspoon salt, and 1 teaspoon ground black pepper. Adjust the heat to low and allow the sauce to simmer for about 10 to 15 minutes.
Using a medium-sized bowl, stir together the 1 cup sour cream and 3 ounces softened cream cheese until combined. If you're having problems, try using a hand mixer.
While the sauce is cooking, bring a large pot of salty water to a boil. Add the 8 ounces of uncooked egg noodles to the boiling water and allow them to cook until al dente (firm but able to pierce with a fork), stirring occasionally.
Drain the water from the noodles and set aside. Preheat the oven to 350 degrees F.
Begin assembling the casserole by lightly spraying a 9x13-inch casserole dish or an 11x11-inch baking dish with cooking spray.
Add half of the cooked pasta to the bottom and spread it out into an even layer. Top with half of the cream cheese mixture and spread in an even layer.
Top with half of the meat mixture and spread it out in an even layer. Repeat the process with the layers. Top with the other half of the egg noodles and cream cheese mixture.
Top with the meat and sauce mixture. Add the ½ cup shredded cheese to the top in an even layer.
Place into the oven to bake for 25 to 30 minutes until the cheese melts and the casserole is bubbly and golden brown.
If you prefer the top of the casserole to be more browned and crispy, place it underneath the broiler for a few minutes. Carefully remove the hamburger casserole from the oven and allow it to cool for about 5 to 10 minutes before cutting to serve. Serve warm with a side salad, green beans, and garlic bread. Enjoy!
Carefully remove the hamburger casserole from the oven and allow it to cool for about 5 to 10 minutes before cutting to serve. Serve warm and emjoy!
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Notes
Try substituting with elbow macaroni, medium pasta shells, or any short pasta such as farfalle, penne, or rigatoni.
Periodically check the casserole as it bakes to make sure it doesn't overbake. This may result in a dry casserole. Adjust the cooking time as needed. Once the cheese has melted and the pasta sauce is bubbly it should be ready to pull it from the oven.
Make sure that you do not boil the egg noodles too long as they will finish cooking in the oven. They should be firm and able to be pierced with a fork. Think a minute before al dente.