Best made in the summertime, when heirloom tomatoes are plentiful. Enjoy!
In a blender, add all of the ingredients except the bunch of basil and garnishes.
Pulse the mixture a several times, careful not to over mix.
Taste for seasonings. Add more if necessary.
Add the basil, quickly pulse. Refrigerate for 30 minutes to 1 hour.
Garnish with red onion and basil. Serve!
Will keep for up to 5 days on the refrigerator.