Making Clean Chicken Mushroom Soup is simple if you follow these easy steps:

1. Prepare Ingredients: Dice the onion, carrots, and celery; slice the mushrooms; and mince the garlic.
2. Heat Olive Oil: In a large pot, heat the olive oil over medium heat.
3. Sauté Vegetables: Add the diced onion, carrots, and celery to the pot. Sauté until they start to soften, about 5 minutes.
4. Add Garlic and Mushrooms: Stir in the minced garlic and sliced mushrooms. Cook for an additional 3-4 minutes until the mushrooms are tender.
5. Cook Chicken: Add the chicken breasts to the pot, followed by the chicken broth, thyme, bay leaf, salt, and pepper. Bring to a boil.
6. Simmer: Reduce the heat and let the soup simmer for about 20-25 minutes, or until the chicken is cooked through.
7. Shred Chicken: Remove the chicken from the pot and shred it using two forks. Return the shredded chicken to the soup.
8. Add Greens: Stir in the chopped spinach or kale and let it cook for another 2-3 minutes until wilted.
9. Adjust Seasoning: Taste the soup and adjust the seasoning if necessary, adding more salt or pepper to your liking.
10. Serve: Remove the bay leaf and ladle the soup into bowls. Garnish with fresh parsley before serving.

These steps will guide you in creating this incredible soup effortlessly, ensuring that each bowl is full of rich flavors and nourishing ingredients.