This is just the thing for a muggy summer day, as tomato-based ice cubes keep the soup cold without diluting it. Though it isn't, technically speaking, consommé (usually meat-based), this pale tomato broth soup resembles consommé in texture. Prep: 10 minutes; Freeze: 2 hours; Chill: 2 hours.
3 cups tomato juice, divided
4 large green onions, trimmed and thinly sliced
1 (3-inch) piece lemongrass, trimmed and sliced
1 (1 1/2-inch) cube fresh ginger, peeled and sliced