I always have salad leaves in the fridge, and all the common place ingredients for salads, I also like crisp lettuces like Romaine, so have been buying those lately. Salads can comprise of anything you like, I often add green beans, asparagus, new potatoes to make it more interesting and dress it with some balsamic or French dressing and accompany it with some sort of protein, cheese, eggs, smoked salmon, or cold poached salmon the latter makes a nice summer meal imo, all fairly quick and easy. I'm also a fan of a big fresh fruit salad in place of an evening meal in this weather. Like many I usually have a plethora of summer fruits at this time of year, maybe add a meringue and a big dollop of Greek yogurt, creme fraiche or even cream.