Step 3: Increase heat to high and bring to a boil, stirring occasionally. Reduce to medium low and simmer for 1 hour. Season with salt and pepper to taste. Remove from heat.
Step 4: Using a hand blender, puree soup until smooth. Alternatively, working in batches, puree the soup in a blender. Rewarm if needed.
Step 5: To serve, ladle soup into serving bowls and garnish with fresh chopped parsley.