Common ingredients in a seven-layer salad include thawed frozen peas, celery, bacon and salads greens. Different recipes offer alternative ingredients to personalize the salad, adding vegetables such as green or red pepper and onion.
The recipe for seven-layer salad provided by Betty Crocker mixes 1 bag of ready-to-eat mixed salad greens, 8 medium radishes, 5 medium green onions and 2 medium celery stalks. Additionally, it has 12 pieces of bacon that have been cooked and crumbled, 1 package of thawed frozen green peas, 1 1/2 cups of mayonnaise or salad dressing and 1/2 cup of shredded cheddar or grated Parmesan cheese.
In contrast to the Betty Crocker recipe, a recipe from All Recipes uses similar ingredients but adds in 1 cup of cauliflower and uses iceberg lettuce instead of mixed greens. It also adds 1 red onion and includes a dressing composed of mayonnaise, sugar and Parmesan cheese.
A recipe from Brown-eyed Baker adds 3 hard-boiled eggs and green onions to the salad. This recipe also includes a recipe for dressing made from sour cream, mayonnaise, granulated sugar, white vinegar, and salt and pepper to taste. A recipe provided by Kraft adds 1/2 cup of chopped red pepper into the salad.