in frying pan, cook hamburger and then remove from pan and set aside
in same pan, saute onions until translucent, seasoning with salt and pepper (you may need to add a little oil to the pan)
add hamburger back to the pan then add spices and water, stiring well to combine and then bring to a boil
reduce heat and simmer until all water is gone
while beef mixture is simmering, heat up butter in a small skillet and then add corn
season corn with salt, pepper and parsley
cook corn for about 5 minutes, then set aside
when beef is ready, assemble salads by placing lettuce in large bowl then topping with 1/3 of the beef mixture, 1/3 of the corn, 1/3 of the tomatoes, 1/3 of the black beans (optional) and then top off with the crushed doritos!