Ted Mason’s grilled lettuce and avocado with lemon, mustard and maple vinaigrette Serves: 4 Ingredients 1 Gem lettuce 1 avocado ½ lemon 3 tbsp olive oil 1 heaped tsp Dijon mustard 1 tsp maple syrup salt and pepper Instructions Heat a griddle pan on a high heat. Slice the lettuce lengthways into quarters, then