Preheat the oven to 180°C, gas mark 4. Line a baking tray with baking paper.
Generously butter both sides of the bread and arrange on the tray. Place under a hot grill for 5 minutes, or until slightly golden and crispy.
Spread with the cranberry sauce, top with the turkey and cheese. Bake in the oven for 10 minutes or until the cheese has melted and the toasties are golden around the edges.