White Gazpacho with Grapes and Toasted Almonds

Name: White Gazpacho with Grapes and Toasted Almonds
Ingredients: 2 large English cucumbers (or 3 large regular cucumbers), peeled and roughly chopped; 3 slices white bread, crusts removed; 1/2 cup warm water; 3 cloves garlic; 6 scallions, whites only, divided; 1/4 cup white wine vinegar or Sherry vinegar, plus more, to taste; 1 teaspoon lemon juice, plus more to taste; 1/4 cup plus 4 teaspoons slivered almonds, lightly toasted, divided; 1/2 teaspoon salt, plus more, to taste; 3 tablespoons olive oil; 1/2 cup green grapes, halved