Mix together everything mentioned under Chicken thigh seasoning. Season chicken thighs both the sides.
Clean and slice mushrooms.
Heat together one tablespoon of butter and oil in a skillet. Place seasoned chicken thighs skin side down. Cook for 4-5 minutes on low-medium heat. Flip and cook for another 3-4 minutes. Remove chicken from skillet and keep covered.
To the same pan add the remaining butter. Add sliced mushrooms and cook undisturbed for 3-4 minutes, flip and cook until mushroom is golden brown in colour.
Add minced garlic, cook for a minute for it to brown. Stir in the flour and thyme. Saute for 30 seconds.
Stir in the wine, deglaze the skillet. Let the wine cook down until it has reduced to half and the alcohol smell is no more.
Reduce the heat to low, slowly add heavy cream and stock. Stir well to combine. Let the sauce simmer for 1-2 minutes. Switch off the flame. Place cooked chicken thighs to the skillet and pour over the mushroom sauce.