Place the bread on a baking tray lined with baking paper, drizzle the wine over the cut surfaces. Mix the cheese, spread on top, press down gently.
Approx. 15 mins. in the upper half of an oven preheated to 220 °C.
Whisk the vinegar, oil and peppercorns in a bowl, season with salt. Add the courgettes, mix, spread half on top of the cheese toasties. Serve with the remainder of the courgette salad.