Scoop the flesh and juices of the tomatoes out of the skins with a spoon into a bowl. discard skins. Whisk in the vinegar, garlic, salt, pepper, and red pepper flakes, breaking up the tomato as you do. Gradually whisk in the olive oil, starting with a few drops, then adding the rest in a steady stream to make a chunky, slightly thick dressing. Roughly chopped the basil and stir into the dressing. Set aside 15 mintues to let flavors come together. Remove garlic and serve over steamed mixed veggies.