s = [["ham", "swiss"], ["turkey", "cheddar"], ["roast beef", "gruyere"]] s.each { |sub_array| sub_array.each { |element| puts element }}
s = [["ham", "swiss"], ["turkey", "cheddar"], ["roast beef", "gruyere"]] s.each { |sub_array| sub_array.each { |element| puts element }}