Pancake Rocks franchised restaurants. In British Columbia and Alberta, Canada, the restaurant chain De Dutch serves Dutch and Flemish-style pannenkoeken. Pancake syndrome is an allergic reaction which some people have after eating pancakes in tropical regions where certain mites can contaminate the flour in pancakes. Pancakes are traditionally eaten on Shrove Tuesday, which is known as "Pancake Day" in Canada, the United Kingdom, Ireland, New Zealand, and Australia, and "Pancake Tuesday" in Ireland and Scotland. (Shrove Tuesday is better known in the United States, France, and other countries as Mardi Gras or Fat Tuesday.) Historically, pancakes were made on Shrove Tuesday
Rio de Janeiro themselves as ⅓ European, ⅓ African and ⅓ Amerindian before the tests, and yet their ancestry on average reached 80% European. Other studies showed similar results Rio de Janeiro is the second largest city in Brazil (after São Paulo) and has a rapidly expanding population and rapidly growing area due to rapid urbanization. The Rio de Janeiro metropolitan area, according to 2009 research from Fundação Getúlio Vargas (known as ), ranks first in Brazil in the percentage of Catholics (51.1%) living there. Rio de Janeiro city also ranks fifth among Brazilian state capital cities in the percentage of its population