Seven-layer salad is an American dish that includes a colorful combination of seven layers of ingredients: iceberg lettuce, tomatoes, cucumbers, onions, sweet peas, hard-boiled eggs, sharp cheddar cheese, and bacon pieces.

[citation needed] The traditional seven-layer salad is covered with a coating of mayonnaise (and sometimes sour cream) and includes eggs and bacon.

"[2] Popular variations on the home-made salad's ingredients include ham, mushrooms, celery, carrots, and bell peppers.

"[2][clarification needed] Cooks modifying the salad include those at Aura restaurant on Lincoln Road in Florida who include sliced mozzarella, red tomatoes and basil layered for red, green and white color, and others using fruit, cutting back on high-fat ingredients, substituting low-fat yogurt or a vinaigrette dressing for the mayonnaise/sour cream, and modifying the ingredients with ethnic and gourmet foods such as tomatillos, chickpeas, black beans and pepperoni.

[2] Another chef who serves items with "a sense of humor" offers "an updated seven-layer salad in a tortilla, where the ground beef of the [1970s] is exchanged for grilled shrimp.