This sour cream noodle bake is the perfect cheesy, beefy casserole for a comforting weeknight dinner. Make it ahead, freeze it, or serve fresh for easy family meals.
Cook8 ounces egg noodles according to the package instructions; drain and set aside. Dice the onion, mince the garlic, and shred the cheddar cheese.
Cook the beef mixture
In a large skillet over medium heat, cook 1 pound ground beef and 1 small onion until the meat is browned and the onion is soft. Drain any excess grease.
Add the minced 2 cloves garlic and cook for another 30 seconds.
Stir in the 15 oz tomato sauce, 1 teaspoon Italian seasoning, 1/2 teaspoon salt, and 1/4 teaspoon pepper. Let it simmer for 5 minutes.
Prepare the creamy noodles
In a large bowl, combine the 1 cup sour cream and 1 cup cottage cheese. Add the cooked noodles and toss to coat evenly.
Assemble the casserole
Preheat the oven to 350°F. Grease a 9x13-inch baking dish.
Spread half of the noodle mixture in the bottom, then layer with half of the beef mixture. Repeat the layers.
Sprinkle 1 cup shredded cheddar cheese on top.
Bake and serve
Bake uncovered for 20-25 minutes, until the cheese is melted and bubbly.
Garnish with 2 green onions if using. Let it rest for a few minutes before serving.