Macaroni casserole is a baked macaroni

Macaroni

Macaroni is a variety of moderately extended, machine-made, dry pasta made with durum wheat. Macaroni noodles do not contain eggs, and are normally cut in short, hollow shapes; however, the term refers not to the shape of the pasta, but to the kind of dough from which the noodle is made...

 dish. It is especially known as staple in northern European home cooking. It is a dish of cooked macaroni and a mixture of egg and milk with additional ingredients like meats, vegetables or fish. It is commonly made with cheese

Cheese

Cheese is a generic term for a diverse group of milk-based food products. Cheese is produced throughout the world in wide-ranging flavors, textures, and forms....

 and/or breadcrumbs sprinkled on top.

The dish is reminiscent of frittata

Frittata

Frittata is an egg-based dish similar to an omelette or quiche, enriched with additional ingredients such as meats, cheeses, vegetables or pasta...

 with the main difference being that it's baked entirely in the oven. It is usually eaten with ketchup

Ketchup

Ketchup is a sweet-and-tangy condiment typically made from tomatoes, vinegar, sugar or high-fructose corn syrup and an assortment of...

.

Finland

In Finland

Finland

Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

 the dish is called makaronilaatikko (Finnish

Finnish language

Finnish is the language spoken by the majority of the population in Finland Primarily for use by restaurant menus and by ethnic Finns outside Finland. It is one of the two official languages of Finland and an official minority language in Sweden. In Sweden, both standard Finnish and Meänkieli, a...

) or makaronilåda (Finland Swedish), and is one of the most popular traditional dishes. According to a survey conducted in 2010 with 1,100 respondents, it is the second most popular everyday dish for dinner in Finland. Nowadays the dish most commonly made with minced meat

Ground meat

Ground meat is meat finely chopped by a meat grinder or a chopping knife. It is called minced meat or more usually mince outside North America....

, but is traditionally not made with cheese

Cheese

Cheese is a generic term for a diverse group of milk-based food products. Cheese is produced throughout the world in wide-ranging flavors, textures, and forms....

. However, originally the Finnish macaroni casserole was not made with meat. When prepared without meat it was often used as a replacement for potatoes in the meal and later on, it became a part of the dish that is known today. Macaroni casseroles are readily available in Finnish grocery stores as pre-packaged meals.

Sweden

In Sweden

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 the dish is called makaronipudding. The Swedish version is usually made with ham

Ham

Ham is a cut of meat from the thigh of the hind leg of certain animals, especiallypigs. Nearly all hams sold today are fully cooked or cured.-Etymology:...

, leek

Leek

The leek, Allium ampeloprasum var. porrum , also sometimes known as Allium porrum, is a vegetable which belongs, along with the onion and garlic, to family Amaryllidaceae, subfamily Allioideae...

, and cheese.

Malta

In Malta

Malta

Malta , officially known as the Republic of Malta , is a Southern European country consisting of an archipelago situated in the centre of the Mediterranean, south of Sicily, east of Tunisia and north of Libya, with Gibraltar to the west and Alexandria to the east.Malta covers just over in...

 a baked dish called imqarrun is made with macaroni, bolognese style meat sauce and egg. Other versions add chicken livers, hard boiled eggs, peas and bacon. The macaroni is usually topped with a layer of grated cheese or besciamella (béchamel) that will melt during the baking process and help to bind and set the pasta.

Indonesia

In Indonesia the dish is sometimes known as macaroni schotel . This dish introduced by Dutch during the occupation in Indonesia.
Therefore, 'Schotel' or 'schaal' (meaning 'dish') borrowed from Dutch language, referring to the container used to make this food.
Indonesian version is usually made with cheese and meat (smoked beef is widely used, alternatively sausage

Sausage

A sausage is a food usually made from ground meat , mixed with salt, herbs, and other spices, although vegetarian sausages are available. The word sausage is derived from Old French saussiche, from the Latin word salsus, meaning salted.Typically, a sausage is formed in a casing traditionally made...

 or tuna

Tuna

Tuna is a salt water fish from the family Scombridae, mostly in the genus Thunnus. Tuna are fast swimmers, and some species are capable of speeds of . Unlike most fish, which have white flesh, the muscle tissue of tuna ranges from pink to dark red. The red coloration derives from myoglobin, an...

.
Sometimes they add potato

Potato

The potato is a starchy, tuberous crop from the perennial Solanum tuberosum of the Solanaceae family . The word potato may refer to the plant itself as well as the edible tuber. In the region of the Andes, there are some other closely related cultivated potato species...

, or alternatively, tofu

Tofu

is a food made by coagulating soy milk and then pressing the resulting curds into soft white blocks. It is part of East Asian and Southeast Asian cuisine such as Chinese, Japanese, Korean, Indonesian, Vietnamese, and others. There are many different varieties of tofu, including fresh tofu and tofu...

to give more Asian flavor.