Marinated griddled chicken breast with chive and coriander pesto, served on a hot potato salad Archi

Ingredients

• 2 tbsp olive oil
• 1 tsp dried chilli flakes
• 1 lemon, zest only
• 1 chicken breast, sliced through the middle and opened out flat
• 125g/4½oz new potatoes, par-boiled, sliced
• 1 tbsp balsamic vinegar
• 50ml/2fl oz olive oil
• 1 clove garlic, chopped
• small handful fresh coriander, chopped
• small handful fresh chives, chopped
• salt and freshly ground black pepper