Tomato Cilantro Salsa

Name: Tomato Cilantro Salsa
Ingredients: 10 Medium ripe tomatoes, diced; 1 Onion (I use yellow onion), raw, thinly chopped; a few Scallions, sliced (about 1/2 - 3/4 of a cup); 1 handful fresh cilantro, chopped. (can be substituted with Cilantro Paste); 1 tablespoon Olive Oil; Juice from 1-2 limes; 5 tablespoons Kosher salt (adjust for taste); 1 pinch black pepper; 1 teaspoon Balsamic Vinegar (optional)