Preheat the grill. Arrange the sausages on the grill rack and cook for 10 minutes, turning often until browned on all sides.

Put the cherry tomatoes tomatoes onto a piece of foil and grill them for 3-4 minutes alongside the sausages.

Meanwhile, simmer the mushrooms in the water for 3-4 minutes, adding the dried herbs (if using). Drain off any excess liquid.

Toast the slices of bread. Slice the sausages and mix with the mushrooms. Pile onto the toast and top with the grilled cherry tomatoes. Season with black pepper, then serve.