4 lbs fresh tomatoes, peeled and chopped
2 medium onions, chopped
4 cloves garlic, chopped
1/4 cup olive oil
Heat olive oil over medium heat in a large iron skillet or saucepan.
Add onion and garlic. Sauté until onion is tender, approximately 5 minutes.
Add tomato and heat to a boil. Reduce heat and simmer uncovered for about 2 hours, stirring often or until sauce has thickened.