Sweet Potato Soup

Bahan-bahan (4 porsi)

• 2 tablespoons butter
• 1 small yellow onion (diced)
• 2 cloves garlic (minced)
• 1 cup chopped celery
• 3 cups chicken broth (or vegetable broth)
• 1 ½ pounds sweet potatoes (peeled and cubed, about 4 cups)
• 1 apple (peeled, cored and chopped)
• 1 inch fresh ginger (peeled)
• 1 teaspoon curry powder
• ½ cup heavy whipping cream
• 2 slices bacon (cooked and crumbled, for garnish, optional)
• 1 handful croutons (for garnish, optional)
• 1 tablespoon chopped fresh chives (for garnish)