Last Saturday was National Fry Day, and I was lucky enough to spend it with my brother Lawrence, who happens to be our family Fry Guy. While this post may be a week overdue for that celebration, fries are always a good idea and he graciously shared his secrets with me while we were there. My brother has spent years perfecting Pommes Frites at home, a delicious ode to the potato. They are perfectly cooked and tender on the inside and crispy and browned on the outside. When Lawrence lived here in town, we were lucky enough to have them at least a couple of times a year. Now that…