Combine both cheeses and the spring onions, if using, in a bowl. Pile the cheese mix over four of the bread slices, then spread 1 tbsp chutney over each of the remaining slices. Sandwich the slices together to make four toasties.

If you’re cooking over a barbecue, put the sandwiches on a griddle for 2 mins, flip and cook for 2 mins more. Transfer to sheets of foil using tongs and tightly wrap. Return to the griddle and cook for 3-4 mins more, or until the cheese is melted. Alternatively, melt a little butter in a pan. Fry the sandwiches for 2-3 mins on each side, weighing them down with a second pan or other heavy heatproof object. Cut the toasties into fingers and serve with more chutney for dunking.