Saute onions and garlic in olive oil until browned .
Mix everything together in a deep nonstick pot.
Bring to boil ( use no more than medium heat) stirring often.
Turn down low and simmer at least 30 minutes -- stirring often -- you can simmer prepared, cooked, meatballs in the sauce too.-- it is easy to make your own meatballs. The sauce with thicken up as you cook and the alcohol will cook off.