Sweet Potato Soup

Name: Sweet Potato Soup
Ingredients: ¼ small (45 g) onion, peeled; 2 (540 g) sweet potato, cooked; 1 medium (200 g) apple, seeded, halved; 1 medium (200 g) carrot; 3 cups (720 ml) vegetable broth; ⅛ small (25 g) onion, peeled; 1 (270 g) sweet potato, cooked; ½ medium (100 g) apple, seeded; 1 medium (100 g) carrot; 1 ½ cups (360 ml) vegetable broth