Creamy Rotisserie Chicken Soup with Mushrooms

Ingredients

• 2 spoons of butter or olive oil.
• 1 chopped-up medium onion.
• 2 garlic cloves, finely diced.
• A couple of cups of mushrooms, sliced.
• 1/4 cup flour, regular kind.
• 6 cups of chicken stock.
• 1/2 teaspoon thyme, dried.
• 1/2 teaspoon rosemary, dried.
• Half a cup of heavy cream or lighter half-and-half.
• 2 cups of shredded rotisserie chicken.
• A cup of chopped kale or spinach, your choice (optional).
• Season with salt and pepper however you like.
• Fresh parsley or chopped chives for topping.