Meat Ball Alfredo Pasta with Spinach

1 bag Rainbow Pasta
2  lbs beef
4 garlic cloves
1 tsp salt
1 tsp pepper
1 small can tomato sauce
1/2 cup fresh basil chopped
1 bag Cremini mushrooms
1 cup fresh parmesan cheese
1 large bag fresh baby spinach

In a large bowl add beef, salt, pepper, tomato sauce and basil. Mix well and form balls.  Put meatballs in cupcake pan and bake 350 about 20 min. or golden on top.  Start making the Alfredo sauce.  (http://addthelove.blogspot.com/2012/01/alfredo-sauce.html) Add cooked meatballs to the Alfredo Sauce and simmer 10 min.  Start cooking pasta.  While pasta is cooking steam mushrooms. In a very large pot add cooked pasta and fold in fresh spinach, mushrooms and parmesan cheese.  Poor sauce and meatballs over the top..  Mix.