Gazpacho Granita

Name: Gazpacho Granita
Ingredients: 1 pound (16 ounces/450 grams) flavorful tomatoes; 1/2 a small (green, red, orange or yellow) bell pepper (85 grams/3 ounces); 1/2 a Persian cucumber (85 grams/3 ounces) or a 3-ounce chunk of a larger type; 1 large garlic clove; 1/2 a medium Vidalia onion (55 grams/2 ounces) or other sweet onion; 1/4 cup extra virgin olive oil; 2 tablespoon sherry vinegar (or red wine vinegar); 1/2 teaspoon salt; Sugar to taste, optional