In a large pot, heat the olive oil over medium-high heat. Add the ground beef and Italian sausage. Sauté until brown and almost cooked through. Bring a large pot of salted water to a boil while you prepare the sauce.
1 Tablespoon olive oil, 1 pound 90/10 ground beef, 1 pound ground Italian sausage
Reduce the heat to medium. Add the onion and sauté for 5-6 minutes or until softened.
1 large yellow onion, diced
Add the garlic, Italian seasoning, salt, and pepper. Sauté for 2 minutes or until fragrant.
8 cloves garlic, minced, 1 Tablespoon Italian seasoning, 1 teaspoon Morton kosher salt*, freshly ground black pepper
Add the pasta sauce and simmer on medium-low while the pasta cooks, stirring occasionally.
2 24-ounce jars pasta sauce*
Boil the spaghetti for one minute less than the shortest time recommended on the package. It will finish cooking in the oven.
1 pound dry spaghetti*
Drain the water and toss the spaghetti with the heavy cream, cottage cheese, parmesan cheese, and about 4 heaping cups of the meat sauce.
1 cup heavy cream, 16 ounces cottage cheese, 1 cup (3 ounces) parmigiano reggiano
Lightly grease a deep 9x13-inch baking dish. Spoon enough sauce to cover the bottom of the baking dish.
Add about half of the pasta on top of the sauce.
Add about half of the mozzarella on top of the pasta.
1 pound mozzarella cheese, shredded
Add the remaining pasta on top of the cheese.
Add the remaining sauce and then the remaining cheese.
Baked uncovered for about 30 minutes or until golden and bubbly. Broil if desired. Let rest for about 10 minutes before serving.