Japanese curry is a milder, sweeter curry that is simliar to a thick stew. Southeast Asian curries (Malaysian) contain coconut milk and spice pastes, similar to what you'll find in laksa noodle soup .
to simmer the beef using a regular pot or clay pot Beef brisket noodles is a famous dish ... I like Koon Yick Wah Kee curry powder, which is made in Hong Kong, but you can use another brand.