In a large saucepan over medium heat, melt butter and then slowly stir in the four it until it is absorbed and bubbly (DONT LET IT BURN!)
Slowly add in chicken broth while stirring
Season with salt, pepper, worcesteshire and wine
Add the chicken and mushrooms, stir to combine
Fill 4 oven safe bowls such as ramikens and top with cheese
Place under broiler until cheese is browned and bubbly, about 5 minutes
Serve with crusty bread