To prepare Polish Chicken Meatball Soup, follow these easy steps:

1. Prepare the Meatballs: In a large bowl, combine ground chicken, cooked rice, chopped onion, minced garlic, parsley, egg, salt, and pepper. Mix until well combined.
2. Form Meatballs: Shape the mixture into small meatballs, about 1 inch in diameter. Set aside.
3. Sauté Vegetables: In a large pot, heat olive oil over medium heat. Add diced carrots and celery. Cook for about 5 minutes, stirring occasionally until softened.
4. Add Broth: Pour in the chicken broth and bring to a simmer.
5. Add Potatoes and Thyme: Add the diced potatoes and dried thyme to the pot. Cook for approximately 10 minutes or until potatoes begin to soften.
6. Cook Meatballs: Carefully drop the meatballs into the simmering broth. Allow them to cook for 10-15 minutes, or until fully cooked and floating on top.
7. Adjust Seasonings: Taste the soup and adjust the salt and pepper if needed.
8. Garnish: Before serving, sprinkle additional fresh parsley on top for brightness.

These steps will guide you in creating this amazing Polish Chicken Meatball Soup effortlessly.