Top with a double layer of crisp, iceberg lettuce leaves (half the head), 1/2 cup of the ranch sour cream mayonnaise smoothed into an even layer, beans, corn, onion, another double layer of lettuce (press down gently after placing the lettuce,) the other 1/2 cup of ranch sour cream mayo, salsa, cheese, olives, bacon, jalapenos, tomato and a little more purple onion. Place cover or foil on cake pan and refrigerate for 12 to 24 hours before slicing into pieces, crunching tortilla chips over the top, and serving. Feel free to top this with avocado chunks, extra tomato chunks, and your favorite hot sauce too!
for the ranch sour cream mayonnaise:
3/4 cup real mayonnaise
1/4 cup full fat sour cream
3 to 6 Tablespoons dry buttermilk ranch dressing mix (homemade or Hidden Valley) add gradually, according to individual taste
Mix well. Chill until ready to use.