My first experience at a supermarket in Spain is something I will never forget. I was a long way away from any of my comfort foods – even the milk, my trusty fallback as a Wisconsin girl – was not refrigerated and therefore difficult (but not impossible) to stomach. It would just take time.To the untrained eye, it seemed that I was the only one having to make these cultural adjustments without complaint, but in reality, the Castellanos (or Spainards) that shop at Carrefour are going through a tr