Heat a griddle pan (or a frying pan) on medium heat.
Use a knife to split peaches in half and remove seeds. Coat peaches in 1 tablespoon olive oil and place flesh side down in pan. Cook for 5 minutes, flip and cook for another 5. Put peaches to side.
Clean out pan and bring back to a medium heat with another 1 tablespoon olive oil. Chop ends off broccolini and charr in pan for 3 minutes each side. Don’t crowd your pan, broccolini needs to be in a single layer, you may need to do this in 2 batches.
Clean out pan and bring back to medium heat with another 1 tablespoon olive oil. Top and tail green beans and add to pan with garlic and cook for 1-2 minutes, shaking pan every 30 seconds. Don’t crowd your pan, you may need to do this in 2 batches.
On a platter, scatter with cos lettuce and rocket. In a bowl mix together pearl couscous, broccolini, beans, mint, chives and basil. Mix well to combine. Pour over your lettuce layer.