Complex sentence: Made of cassava starch, very accessible, a lot of people habitually buy the mix and bake it at home rather than buying it ready, although "pão de queijo" is broadly sold at snack bars and bakeries.
Split into simpler sentences: Made of cassava starch, a large number of consumers prefer to buy the mix and bake the bread at home, rather than buying it ready made. However, "pão de queijo" continues to be widely sold at snack bars and bakeries.