Beef Taco Recipe 1 1/2lbs.mexican beef Shredded or chopped head or romaine lettuce 1/2 lb. mild cheddar cheese, grated slices of tomatoe hard (formed) taco shells guacamole optional sour cream optional Directions: Hold two taco shells up on a plate with one hand. With a slotted spoon, scoop up and drain some of the hot mexican beef and put it into the taco shells. Next add the lettuce, tomatoe, and a small handfull of cheese. If you decide to add the guacamole and/or sour cream, do it after the lettuce and finish off with the cheese.