How to build this Taco:

You will need Taco shells.
Prepared mashed potatoes.
Prepared cooked ground meat that’s taco flavored (see recipe here).
Sharp shredded cheddar cheese.
Sour cream.
Prepared chopped salad with Olive Garden salad dressing stirred in.

OLIVE GARDEN salad dressing 
(a must for correct flavor) Olive garden salad dressing is sold at Wal-Mart’s and many other stores and supermarkets. 

Salad consist of:
2 cups of chopped Romaine lettuce
4 cups of chopped Iceberg lettuce
1 small chopped tomato 
1 cup chopped onion
2 tablespoon Olive Garden salad dressing​

Putting the taco together:

Spread out a little warmed cooked mashed potatoes on inside bottom of a taco shell then add warmed cooked taco meat on top of potatoes. Add some of the prepared salad, top with a dab of sour cream and sprinkle on shredded cheese.

How to build the best Taco -  ALL RECIPES