01 - 
                Preheat the oven to 350°F and lightly coat a 9x13-inch baking dish with nonstick spray.
              
              
              
                02 - 
                In a large skillet over medium-high heat, cook the ground beef and chopped onion until the beef is fully browned and the onion is soft, approximately 10 minutes.
              
              
              
                03 - 
                Stir in the minced garlic and cook for 1 minute. Incorporate the tomato sauce and Italian seasoning. Simmer the mixture for 5 minutes, stirring occasionally. Season with salt and black pepper to taste. Remove from heat and set aside.
              
              
              
                04 - 
                Meanwhile, bring a large pot of salted water to a boil and cook the egg noodles according to package directions. Drain well and set aside.
              
              
              
                05 - 
                In a large mixing bowl, combine the sour cream and cottage cheese. Add in the cooked egg noodles, season with salt and pepper, and stir until thoroughly combined.
              
              
              
                06 - 
                Spread half of the noodle mixture evenly in the prepared baking dish. Top with half of the beef and tomato sauce mixture. Repeat with remaining noodles and sauce for a second layer.
              
              
              
                07 - 
                Sprinkle grated cheddar cheese evenly over the surface. Bake uncovered for about 30 minutes, until the sauce is bubbling and the cheese is fully melted.
              
              
              
                08 - 
                Allow the casserole to rest for 10 minutes before serving to help set the layers.