Line the bottom of 2 9X13 pans with the following layers: beans then dip Mix the taco seasoning with the sour cream and mayonnaise then spread on top of the dip layer. Add the following layers in order: cheese, onion, olives, lastly tomatoes Serve with crisp tortilla chips - if you live in Texas go to H.E.B. and buy the Texas shaped tortilla chips for a special Truly Texas touch!