Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      tablespoons   fresh lemon juice
     1/2  teaspoon      salt -- or to taste
   3      medium        avocados
     1/4  teaspoon      freshly ground black pepper
   1      cup           sour cream
     1/2  cup           mayonnaise
   1      envelope      taco seasoning mix
  21      ounces        prepared bean dip
   1      cup           green onions -- chopped
   3      medium        tomatoes -- seeded and chopped
   1      7 oz can      black olives -- chopped
   8      ounces        sharp cheddar cheese -- grated
                        tortilla chips

Preparation:

Peel, pit and mash avocados in medium bowl. Add lemon juice, salt and pepper. In separate bowl, combine sour cream, mayonnaise, and taco seasoning. To assemble, spread bean dip on a large, shallow platter. Top with avocado mixture followed by a layer of sour cream and taco mixture. Sprinkle with chopped onions, tomatoes, and olives.. Cover with shredded cheese.