The primary ingredient in a Russian salad is a combination of boiled vegetables, typically including potatoes, carrots, peas, and sometimes green beans. These ingredients are diced and mixed together, often combined with mayonnaise or a similar dressing, which creates a creamy texture. The salad may also include other components such as apples, boiled eggs, and sometimes a touch of mustard for added flavor. Russian salad is popular in many countries and is often served as a side dish during festive occasions or as a refreshing appetizer, showcasing a delightful blend of tastes and textures.