Brown meat, onion, green peppers and garlic if desired; drain.
Add spaghetti sauce until mixture is quite sauce-y
Combine cream cheese, sour cream and cottage cheese.
In 2 1/2 cup casserole, spread 1/3 of meat sauce, then spread half noodles and cover with 1/2 cream cheese mixture. Repeat layers and top with sauce. Top with shredded cheddar or mozzarella as desired, maybe 1/2 cup