°16 oz dried pasta
°1 L yellow onion, chopped
°4-6 garlic cloves,
°1 pound sweet Italian sausage 
°3 t dried Italian seasoning, divided
°48 oz spaghetti sauce 2 divided jars
°8 oz cottage cheese or ricotta cheese
°8 ounces cream cheese, at room temperature
°Half a cup of sour cream
°3 c mozzarella, divided
°cup butter, sliced ​​and divided


Heat oven to 350 degrees F .
Boilling pot of salt water. Cook pasta according to package, drain well and return to the original saucepan. Add 1 jar of the prepared spaghetti sauce and mix. Sit aside.
In a large skillet, heat 2 tablespoons of olive oil over medium heat. Adding onion also garlic and cook to softened, about 5 min. Add the sausage and 2 teaspoons Italian seasoning to the skillet and sauté until the pink color is gone. drain well. Add 1 jar of spaghetti sauce to the skillet. Sit aside.
In a medium mixing bowl, combine cottage cheese or ricotta cheese, cream cheese, sour cream, 1 cup mozzarella, and 1 teaspoon Italian seasoning. Sit aside.
Lay half of the buttered slices on a 9"x13" baking tray. Spread half of the spaghetti on a plate, then spread the cheese mixture evenly over the spaghetti. Spread the remaining pasta over the cheese mixture. Pour the remaining butter slices on top, and pour the tomato sauce evenly over the top layer of spaghetti.
Top with remaining mozzarella cheese and bake in preheated oven until casserole is heated through, about 35-45 minutes.

Enjoy !