This Thermomix recipe is a creamy and flavorful stroganoff that is perfect for a cozy night in. The stroganoff is made with chicken breast, mushrooms, onion, garlic, and a creamy sauce made with sour cream and Dijon mustard. The Thermomix makes it easy to chop the vegetables and cook the stroganoff to perfection. The result is a delicious and comforting meal that is sure to become a family favorite.