--- Join Andrew Connole as he eats open sandwiches at a Viennese institution, (The Black Camel) when For the Love of Bread heads to Austria, 5.30pm Sunday 11 April on SBS Food. Episodes are also available at SBS On Demand after they air ---
From Danish smørrebrød to a French tartine, an open sandwich can be anything from a simple snack to a national treasure. And somehow, the combination of a slice of fresh bread and some tasty toppings can be so much more than the sum of its parts. The options are endless, but here are some traditional (and not so traditional! Ice-cream sandwich, anyone?) ideas to get you started.
Smørrebrod has been gracing Scandinavian tables for centuries. And this recipe offers two takes: a classic with butter, pickled herring, onion and dill; or an "up the ante" curried herring and mayonnaise version, served with sliced egg.

Pickled herring on rye. Source: In Bread
"With such a basic recipe as this one, adaptations are welcomed and encouraged. Replace the leeks with fennel, greens, carrots or tomatoes. Add fresh herbs, spices or bits of bacon. It's splendid in its simplicity; perfect for a lovely lunch," says Ashley Rodriguez, the award-winning blogger behind .

Melted leek and ricotta tartine Source: Ashley Rodriguez
You can use any smoked fish for these easy canapes by Matthew Evans.

Open sandwiches of smoked fish and horseradish cream Source: Feast / Alan Benson
Bondi Harvests' Guy Turland offers three versions: a sweet haloumi option, with the fried cheese served up with avocado, honey, lemon and toasted almonds; one with balsamic strawberries and ricotta; or pickled mushrooms.

Tartines 3 ways Source: Bondi Harvest
These open-faced sandwiches are a favourite Singapore street snack and consist of various ice-cream flavours scooped over eye-catching rainbow bread..jpg?imwidth=1280)
.jpg?imwidth=1280)
Open ice-cream sandwiches Source: Feast magazine
"The world of the classic Danish open sandwich can be a confusing one at times, with dozens of separate toppings and hundreds of different varieties of sandwiches with names like ‘The Veterinarian’s Supper’ and the ‘Shooting Star’. My version takes the flavours of a Chinese ‘siu mai’ dumpling and gives them a Danish makeover," says Adam Liaw of his twist on the classic.

Adam Liaw's 'Lawyer's Lunch' Source: Adam Liaw
Hobz biz-zeit translates as bread with oil. This open sandwich slathered with kunserva (sweetish tomato paste) and topped with the best the Mediterranean has to offer is Malta’s number one snack food. In his recipe, Shane Delia likes to use white anchovies, which are pickled in vinegar rather than preserved in salt or oil and have a mild, sweet flavour.

Shane delia's Maltese open sandwich Source: Maltese Safari
"There are no rules here!" says Adam Liaw of his playful sweet recipe, inspired by Danish and Dutch classics and invented as part of his . This recipe combines the iconic Danish open sandwich, smørrebrød, with the Dutch take on fairy bread, hagelslag.

Chocolate smørrebrød Source: Andy Baker