Grilled Chicken Sandwich with sautéed mushroom, spinach & onions

Classic Grilled sandwich made with golden toasted French Brioche, pan seared skinless chicken thigh and sautéed spinach onion mushroom trio, melted together with Swiss and Cheddar cheese slices. Tastes absolutely delicious and packed with flavors. This is one of my ‘all time favorite’ grilled sandwich with lot of possibilities for variations. You can use your…