Peel the garlic cloves and cut into fine strips. Wash the lemon, dab dry and cut in half. Cut one half into slices. Squeeze the other half. Wash and drain the prawns.
Heat the oil in a frying pan. Fry the prawns on each side for one minute. Add garlic and fry briefly. Season with salt and pepper. Pour in brandy, lemon juice and 200 millilitres of water, stir in tomato paste and simmer for one minute.
Wash the parsley and shake dry. Pluck the leaves from the stalks and chop finely. Sprinkle parsley over the prawns. Garnish with lemon wedges. Serve with fresh baguette.