Put a sauté pan over a medium flame and heat the oil.
Add the garlic and cook until fragrant, about 1 minute. Add in the tomatoes and salt. Fill the can or jar up with about 2 inches of water. Shake the can or jar to wash out the residual tomato and add it to the pan.
Bring to a boil and add in the basil. Lower the flame to a simmer and cook for 15-20 minutes.
Use immediately to dress Pasta or freeze in freezer safe containers.