If you were stranded on a desert island and could only have one kitchen utensil, what would it be? For me, it would be my cast iron skillet – no question. My cast iron skillet was the first pan I bought when I got married in 1971, because I knew that it would be with me no matter what happens! After more than 45 years of use, I am convinced that you would have to go out of your way to ruin cast iron. As long as you…