1. In a glass dish (about 13"x9") spread one can of Frito Lay Bean Dip.
2. Spread 1 cup mayonnaise over dip.
3. Spread 8 ounces sour cream over the mayo.
4. Sprinkle 1 package of taco seasoning mix over the sour cream.
5. Chop two bunches of green onions (tops included) and sprinkle over the seasoning mix.
6. Shred 8 ounces white cheddar cheese and sprinkle on top.
7. Shred 8 ounces Monterey Jack cheese and layer over cheddar cheese.
8. Chop 3 tomatoes and use as next layer.
9. Chop one can of pitted black olives and use as final layer.
Best if made a day before. Refrigerate. Serve with taco chips or corn chips for dipping. Watch it disappear.