Basic ingredients: taco shells, tortilla chips or corn chips
salsa
cooked ground beef made with taco seasoning
beans whatever kind you like
cheese whatever kind you like
sour cream
black olives
green pepper, chopped
chopped lettuce

No set amounts, just use what you have on hand.

TO make:
Spray casserole dish with cooking spray. Put salsa on bottom, taco chips or whatever you are using next, layer of ground beef, beans, cheese, peppers, more salsa on top
Bake until thoroughly heated as ingredients are already cooked
Cover with sour cream, olives, and chopped lettuce just before serving
Makes whatever size you want