Open-Faced Sandwiches, Toast and Small Bites: A Guide to Toast Sandwich Fillings

The short answer

There is no single filling for a toast sandwich. Toast-based sandwiches come in three main forms. In closed, pressed sandwiches such as the toastie, Ayvalık toast and bagel toast, melted cheese usually holds the filling together. In open-faced sandwiches such as smørrebrød, Welsh rarebit and Toast Hawaii, the topping sits on a single slice of bread or toast. Some dishes, such as Korean gilgeori toast, are built around a cooked egg-and-vegetable patty. The right filling depends on which named tradition you mean, so the sections below are organized by dish.

Note on accuracy: the descriptions below reflect commonly documented versions of each dish. The source material for this guide only confirmed that each sandwich is a recognized named dish, not every ingredient. Recipes vary by household, vendor and region, so treat these as typical builds rather than fixed rules. Where details are less certain, that is noted.

Quick reference: fillings by sandwich

Sandwich | Where it's associated with | Style | Typical filling or topping

Toastie | United Kingdom, Ireland, Australia | Closed, pressed or grilled | Cheese, often with ham, onion or tomato

Ayvalık toast | Turkey (town of Ayvalık) | Closed, pressed | Sucuk (spiced sausage), melted cheese, plus pickles, tomato and sauces

Bagel toast | Israel | Closed, pressed bagel | Melted cheese with vegetables such as olives, tomato, onion or corn, and sauces

Gilgeori toast | South Korea (street food) | Closed, griddled | Egg-and-vegetable omelet (often cabbage), sometimes ham and cheese, with sugar and ketchup

Open-faced sandwich | Many cuisines | Single slice, topped | Any topping placed on one slice of bread or toast

Smørrebrød | Denmark | Open-faced, usually on buttered rye | Cold cuts, pickled or smoked fish, egg, cheese, pâté and garnishes

Smörgåstårta | Sweden | Layered "sandwich cake" | Creamy layers such as egg, shrimp, ham or smoked salmon, bound with mayonnaise-style spreads

Toast Hawaii | Germany | Open-faced, baked or broiled | Ham, pineapple ring and melted cheese, often finished with a cherry

Welsh rarebit | Wales / Britain | Open-faced, broiled | Savory cheese sauce, often seasoned with mustard and ale or Worcestershire sauce

Tongue toast | Older Anglo-American cookery (details vary) | Served on toast | Cooked tongue, typically chopped or minced; other ingredients vary

Pressed and grilled toast sandwiches

Toastie is the British, Irish and Australian name for a toasted sandwich, roughly what many Americans would call a grilled cheese or panini-style sandwich. Cheese is the near-universal base. Ham, onion and tomato are common additions.

Ayvalık toast takes its name from a coastal town in Turkey and is known for being generously loaded. Sucuk, a dry, spiced sausage, and melted cheese form the core. Vendors often add pickles, tomato and condiments such as ketchup and mayonnaise. Fillings differ from one stand to the next.

Bagel toast is an Israeli café staple: a bagel split, filled and pressed flat on a grill. Melted cheese anchors it. Diners typically choose from vegetables such as olives, tomato, onion or corn, plus sauces.

Gilgeori toast ("gilgeori" means "street" in Korean) is a griddled street-vendor sandwich. Its signature filling is an omelet-like patty of egg and shredded vegetables, often cabbage. Many versions add ham and cheese. The sweet-savory finish usually comes from a sprinkle of sugar and a drizzle of ketchup.

Open-faced sandwiches and toast toppings

An open-faced sandwich is simply one slice of bread or toast with the toppings left exposed. For meal planning, this means the "filling" becomes a topping. It should be stable enough to sit on a single slice and is often eaten with a knife and fork.

Smørrebrød is the Danish open sandwich, traditionally built on buttered dense rye bread. Common toppings include pickled herring or other fish, cold meats, liver pâté, egg and cheese, finished with garnishes such as onion, herbs or pickles. Combinations follow tradition but vary widely.

Toast Hawaii is a German dish: a slice of toast topped with ham, a pineapple ring and cheese, then baked or broiled until melted. It is often finished with a cocktail cherry in the center.

Welsh rarebit is toast covered in a savory cheese sauce and broiled. The sauce is often seasoned with mustard and made with ale or Worcestershire sauce, though recipes differ. Despite the name, it contains no rabbit.

Tongue toast refers to cooked tongue, usually chopped or minced, served on toast. This is the least consistently documented dish in this guide. Binders, seasonings and regional associations vary between sources, so check a specific recipe before planning around it.

Sandwich cakes for gatherings

Smörgåstårta, Swedish for "sandwich cake," is a layered party dish. Bread is stacked with creamy fillings and frosted with a spread, often mayonnaise- or cream-cheese-based. Typical layers include egg, shrimp, ham or smoked salmon, and the top is decorated with vegetables and seafood. Because it is assembled ahead and served in slices, it suits buffets and celebrations better than everyday lunches.

Choosing a filling for meal planning

• For a quick hot lunch: a toastie, bagel toast or Ayvalık-style toast, built on melting cheese.
• For a breakfast-style sandwich: gilgeori toast, with its egg-and-vegetable patty.
• For a knife-and-fork light meal: Welsh rarebit or Toast Hawaii.
• For a cold spread or brunch board: smørrebrød with an assortment of toppings.
• For a make-ahead party centerpiece: smörgåstårta.