In a heavy bottom 5 quart dutch oven, heat 2 tablespoons olive oil over medium heat.
Saute the onions for 2 minutes until it's translucent.
Add the cinnamon and cook 20 seconds.
Add in the oregano, garlic and parsley. Give it a quick stir.
Add in the tomato sauces.
Stir. Lower the heat to medium-low once the sauce comes to a boil. Cover and let simmer for 30 minutes.
Remove the lamb meatballs from the oven.
Add them to the simmering sauce during the last 10 minutes of the sauce cook time.
Turn off the heat. Transfer to a serving bowl.
Serve over a bed of your favorite pasta. Garnish with shredded parmesan and chopped parsley if desired. Enjoy.