A picture-perfect salad for summer, courtesy of Nancy Silverton. Little Gem lettuce is a smaller, sweeter variety of romaine. It's usually around half the size of a fully grown head of romaine ...

Whole leaves attached to the butt of the lettuce will keep much longer than broken, chopped and washed leaves. Store most lettuces loosely wrapped in a plastic bag in the salad drawer of the ...

Put the spring onions, celery and fennel in a large salad bowl. Pour in the dressing and toss well. Place half the cucumber and half the mixed leaves, Romaine lettuce and rocket in the bowl.