1. Brush a ridged griddle pan, with half of the oil and heat until slightly smoking. Toss the peaches in the lime juice, Place flesh side down onto the griddle and cook for 2-3 minutes until charred.
2. In a large bowl toss together any remaining oil and lime juice, and the lime zest, salad leaves, onion, sugar snap peas and mint. Divide between 4 bowls or serving plates.
3. Scatter over the peaches and the feta cheese. Season with a good scattering of freshly ground black pepper and serve warm.