Baked Ziti with sausage

Preheat oven to 350° Cook pasta according to package directions. Drain thoroughly in a colander.

In a Large bowl, combine pasta, ricotta, sour cream, thyme, basil, salt, and pepper.

In a large skillet over medium heat, cook sausage and onion, stirring and breaking up sausage until meat is cooked through and no longer pink, about 5 minutes. Add tomato sauce. mix well.

Spread half the pasta mixture in bottom of a 2-quart baking dish. top with half the sausage mixture. repeat layers top with mozzarella cheese.

Bake casserole until heated through and cheese is bubbly, about 35 to 40 minutes.