On Sundays in Gloria, Rio’s oldest residential neighbourhood near Flamengo, there is a fantastic Farmer’s Market. Free Walker Tours, www.freewalkertours.com, does a guided food tour here every Sunday. It’s not free, it’s 80 reals, which is just under $20 Canadian, but it’s worth every penny and it includes all the food you eat on the tour. When we meet our guide, she hands us a menu that gives us some choice of what food we will be eating today. Our first stop is pastel and s