Ingredients
Method
- Gather all ingredients.

- Cook tomatoes and basil in a large saucepan over medium-low heat until tomatoes are soft.

- Meanwhile, heat olive oil in a medium skillet over medium heat; add onion and garlic and sauté until onion has softened and turned translucent, about 5 minutes.

- Add onion mixture to tomato mixture; season with salt and pepper. Simmer on low heat for 2 hours or until thick.

