<Tr> <Td_colspan="2"> Chalupas from Puebla, Mexico . </Td> </Tr> <Tr> <Th> Place of origin </Th> <Td> Mexico </Td> </Tr> <Tr> <Th> Main ingredients </Th> <Td> Masa, cheese, lettuce, salsa </Td> </Tr> <Tr> <Td_colspan="2"> Cookbook: Chalupa Media: Chalupa </Td> </Tr>

What's the difference between a tostada and a chalupa