Classic Baked Spaghetti is the delicious casserole version of the traditional pasta and meat sauce. With multiple layers of cheesy buttered noodles, melted mozzarella cheese, and onion beef sauce you'll want to make this a new family favorite.
Preheat the oven to 350 degrees F. Prepare the spaghetti noodles in boiling water according to the package directions. Drain and set aside.
In a large skillet brown the ground beef and chopped onion over medium-high heat until the meat is no longer pink. Drain and remove from heat. Season with salt and stir in the pasta sauce; set aside.
Whisk the eggs, parmesan cheese, and melted butter together in a large bowl. Add the spaghetti to the mixture and toss to coat.
Grease a 13x9 baking dish with oil and place half of the spaghetti on the bottom. Layer 1 cup of the cottage cheese on top of the noodles and then place 1/2 of the meat sauce on top. Sprinkle 2 cups of mozzarella cheese on top and repeat the layers with the remaining ingredients. Cover with foil and place the dish in the oven to bake for 40 minutes. Remove the foil and cook an additional 20 to 25 minutes more.
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