Michigan Tomato Salsa Fresca

Name: Michigan Tomato Salsa Fresca
Ingredients: 5-6 large seeded Michigan tomatoes (beefsteak variety); 1 large white or red onion; 1 seeded bell pepper (yellow or orange for color); 1-2 seeded jalapeño peppers (my husband doesn't like too much heat, so I stick to 1); 1/2 tablespoon garlic; 1 tablespoon fresh parsley; 1 tablespoon fresh cilantro; 1/2 cup fresh-squeezed lime juice; 1-2 tablespoons balsamic vinegar; 2 tablespoons extra light extra virgin olive oil; 1/2 tablespoon chili powder; Salt to taste