In a small bowl, combine the sour cream, mayonnaise, and taco seasoning, and mix well.
1/2 cup sour cream, 1/4 cup mayonnaise, 1/2 package taco seasoning
Spread bean dip on a large, shallow platter. Top with the avocado mixture then the sour cream mixture. Sprinkle with chopped green onions, then the tomatoes and olives. Cover with shredded cheese.
1 16-ounce can bean dip, 1/2 bunch green onions, chopped, 2 medium tomatoes, chopped, 3 ounces chopped black olives, 1/2 cup shredded sharp cheddar cheese
Refrigerate until ready to serve. Serve with tortilla chips.