Preheat the oven to 350°
First, in a large skillet sauté the onion and garlic in the olive oil until the onions begin to soften.
Now, add the ground beef and break it up with a wooden spoon or spatula until it’s browned and cooked all the way through. Drain the fat if necessary.
Then, season the meat with salt, pepper and garlic powder and stir in the tomato paste.
Next, stir in the diced tomatoes (with the juice) and let the meat mixture simmer for 5 minutes.
Now, in a medium sized bowl, mix together the sour cream, softened cream cheese, corn starch and ladle of pasta water.Then, stir in the cooked egg noodles.
Next, add the egg noodle mixture to a 9 x 13 inch baking that’s been sprayed with cooking spray and spread the mixture out until it’s flat and even.
Now, add the beef mixture evenly on top.
Then, sprinkle the top with the shredded cheddar cheese.
Next, place it into the oven for about 30 minutes or until the cheese is melted and the sides are hot and bubbly.
Finally, let it cool slightly, garnish with parsley (if desired) and enjoy!