include biogenic amines. Structure of meals There is no standard breakfast () menu due to Malaysia's multi-ethnic social fabric as well as the advent of modern influences. Western-style breakfast like breakfast cereal, cooked eggs and toast have become commonplace in homes and when dining out, but heartier traditional fare based predominantly on noodles and rice dishes are still very popular. One may choose to start the day with the ubiquitous nasi lemak or kuih; venture for Chinese-style congee, dim sum and noodle soups; or settle for Indian-influenced fare such as roti canai, idli ( iṭli ), thosai ( tōcai ), and upma. In the state of Kelantan, the term nasi berlauk refers to a breakfast meal which consists of a small serve of rice and complementary dishes or lauk. For lunch and dinner, food is not customarily served in courses but rather concurrently. A meal may consist of a single dish for solitary diners, or rice with many complementary dishes shared by all. At restaurants where food is cooked to order, there is often no distinction between appetizers/starters and main courses, and food will arrive at the table whenever it is ready. At some traditionally-run eateries where pre-cooked food is served, diners are meant to help themselves by starting with a plate of plain rice and choose from a buffet spread of assorted dishes. Like the Indonesian Nasi Padang, this is not an all-you-can-eat for a fixed price dining experience. The cost of the meal would depend on what the diner selects and how many different items were placed on the plate for consumption. In Malay-run warung (a small family-owned casual eatery or café) or restaurants (kedai makan), this style of dining is known as nasi campur which means "mixed rice". A similar concept exist at some eateries serving home-style Malaysian Chinese food, where it may be known as economy rice (Chinese: 杂饭). A practice known as "open house" () is popular during festive seasons, and even as an elaborate occasion to celebrate birthdays and weddings. Open house events are traditionally held at the home of the host: well-wishers are received and that everyone, regardless of background, is invited to attend. Home-cooked or catered food is provided by the host(s) at their own expense, and while it is acceptable for guests to bring along gifts for the host, they are expected to help themselves to the food as much as