Complex sentence: First created "circa" 1943 by Ignacio "Nacho" Anaya, the original nachos consisted of fried corn tortillas covered with melted cheddar cheese and sliced jalapeño peppers.
Split into simpler sentences: First created "circa" 1943 by Ignacio "Nacho" Anaya, the original nachos consisted of fried corn tortillas. These were served with melted cheddar cheese and sliced jalapeño peppers.