01 -
Heat a splash of olive oil or a knob of butter in a large pot over medium heat. Add diced onion and chopped celery, cooking until softened and translucent, about 3–4 minutes.
02 -
Add the sliced mushrooms to the pot and cook, stirring occasionally, until golden brown, approximately 5 minutes.
03 -
Stir in the crushed garlic and fresh thyme. Cook for 1–2 minutes until fragrant.
04 -
Pour in the chicken stock and cream. Bring the mixture to a gentle simmer and cook for 5 minutes.
05 -
Add the shredded rotisserie chicken and chopped spinach. Simmer for an additional 5 minutes, allowing the spinach to wilt and the soup to heat through.
06 -
Adjust seasoning with salt, black pepper, and a pinch of chili flakes. Add lemon juice to taste and stir to combine. Serve hot.