Grape Gazpacho

Name: Grape Gazpacho
Ingredients: 1 pint seedless red grapes; 1/2 medium cucumber, peeled, seeded, coarsely chopped (about 1 cup); 1 small tomato, seeded and coarsely chopped; 4 medium shallots, halved; 1 garlic clove, coarsely chopped; 1 tablespoon red wine vinegar; 1 tablespoon sherry vinegar; 1 tablespoon extra-virgin olive oil; Fluff of a 1-inch piece of Italian bread or baguette; 2 tablespoons parsley; Garnish: thinly sliced cucumber, small diced tomato (optional)