Petits pois à la Française from French Brasserie Cookbook by Daniel Galmiche

Ingredients

• 30 g/1 oz butter
• 1 tsp caster sugar
• 12 baby onions, peeled
• sea salt and freshly ground black pepper
• 55 g/2 oz pancetta, cut into 5mm/¼-in thick strips
• 1 tbsp olive oil
• 500 g/1 lb 2 oz fresh peas
• 1 cos lettuce, torn into pieces