Preparation Heat oil in heavy large Dutch oven over medium-high heat. Add onion, bell pepper and garlic; sauté until vegetables soften, about 5 minutes. Add chicken, curry powder, ginger and crushed red pepper; stir 2 minutes. Add 4 cups broth, tomatoes and apple and bring to boil. Reduce heat and simmer 20 minutes. (Can be made 1 day ahead. Cover and refrigerate. Bring to simmer before continuing.) Stir orzo and currants into soup and simmer until orzo is just cooked through, about 5 minutes. Season with salt and pepper. Ladle soup into bowls. Garnish with cilantro and dollop of yogurt.
Preparation Heat oil in heavy large Dutch oven over medium-high heat. Add onion, bell pepper and garlic; sauté until vegetables soften, about 5 minutes. Add chicken, curry powder, ginger and crushed red pepper; stir 2 minutes. Add 4 cups broth, tomatoes and apple and bring to boil. Reduce heat and simmer 20 minutes. (Can be made 1 day ahead. Cover and refrigerate. Bring to simmer before continuing.) Stir orzo and currants into soup and simmer until orzo is just cooked through, about 5 minutes. Season with salt and pepper. Ladle soup into bowls. Garnish with cilantro and dollop of yogurt.