Saute diced onions about 20 mins. in olive oil, stirring every few mins.
Add tomato paste and cook for 2-3 mins. Put tomatoes in blender for a few
seconds, just to blend; add tomatoes, basil and garlic to pot with onions and
paste.
In separate pan, brown roast on all sides in a small amount of oil.
Add meat to sauce and bake at 250 degrees for 1 hr.
Cook pasta al dente and add to the sauce just before freezing.
To Freeze: Slice roast into thin slices and freeze in sauce.
To Reheat: Reheat in covered pot until roast is cooked to preference, serve with excess sauce.