• 2 red onions, thinly sliced
• 3 garlic cloves, crushed
• 1 red chilli, finely diced, deseeded if you like
• 2 lemons, 1 zested and juiced, 1 cut into wedges
• 50g tin Tesco Finest Cantabrian anchovy fillets, chopped, oil reserved
• 250g fresh greens, tough core discarded, leaves thinly sliced
• 50g grated Grana Padano