Preheat oven to 350 degrees.
In a medium skillet, brown ground beef until no longer pink; drain.
Add tomato sauce, garlic and salt and pepper.
Stir and let simmer.
Cook noodles until al dente (about 5 to 6 minutes); drain
In a medium size bowl mix sour cream, cottage cheese and green onions.
Add noodles to sour cream mixture and mix together.
Layer noodle mixture in a lightly greased casserole pan.
Top with beef mixture.
Sprinkle with cheese.
Bake 20 - 25 minutes or until cheese is melted and warm through out.