You can serve this taco pie with pick your own toppings such as, sliced avocados, salsa, sour cream, shredded lettuce, diced red onions, diced tomatoes, and cilantro.
Cook beef and onions in a skillet with taco seasoning and beef broth.
Combine salsa and sour cream to create a sauce; spread ¼ cup in bottom of the pie dish.