Tuna salad is typically a blend of two main ingredients: tuna and mayonnaise. The tuna used is usually pre-cooked, canned, and packaged in water or oil. Pickles, celery, relish, and onion are ingredients that are often added. When the spread is placed on bread, it makes a tuna salad sandwich. Tuna salad is also regularly served on top of lettuce, tomato, avocado, or crackers, or by itself.
Quick homemade tuna salad is often made by omitting the eggs and only adding relish to the tuna and mayonnaise or egg mayonnaise-substitute. Eggs are omitted because they must be cooked whereas the other ingredients are purchased ready to eat. Relish adds a piquant flavor but, unlike commonly added vegetables, requires no chopping.
Sometimes, as a healthier alternative to mayonnaise, mashed avocado and a squeeze of lemon juice are used in the preparation of tuna salad. Here is a simple recipe