Ingredients

• 1 tablespoon olive oil

• 1 1/2 cups chopped onion

• 3/4 cup thinly sliced celery

• 3/4 cup thinly sliced carrots

• 1 pound sliced baby portobello (cremini) mushrooms

• 5 cloves garlic, minced

• 1 teaspoon herbes de Provence

• 6 cups low-sodium chicken broth

• 2 cups shredded rotisserie chicken, white or dark meat, or both

• 1/2 teaspoon red pepper flakes (optional)

• 3/4 cup heavy cream

• 5 ounces fresh spinach, chopped

• salt and freshly ground black pepper to taste

• fresh parsley, thyme. or snipped chives for garnish (optional)