Instructions

  1. Combine guacamole with 2 tablespoons mayonnaise and layer into the bottom of a 9 x 13" pan.
  2. Mix sour cream, 4 tablespoons mayonnaise, and taco seasoning and spread on top of guacamole layer.
  3. Sprinkle cheddar and Monterey Jack cheese on top.
  4. Combine tomatoes, green onions, and green chilies and layer over all.
  5. (Thanks to A Good Thing for reminding me) Allow the dip to chill before serving, about an hour should do.