Step 1: Brown ground beef.
Step 2: Heat about 1/2 inch of oil in a separate pan.
Step 3: Put the tortilla in the pan and fry until it puffs up and is golden, then turn and fry the other side.
Step 4: Remove tortilla and place on paper towel briefly to soak up excess oil.
Step 5: Place tortilla flat on plate and pile on lettuce, tomato, beans, beef, etc.