Line the pan with plastic wrap. Cut each truffle and each piece of caramel into 4 pieces. Start heating the steamer.
Put the △ ingredients in a bowl and mix. In a separate bowl, make the meringue (■ ingredients). Add the meringue in 2 batches to the first bowl and mix with a rubber spatula, taking care not to break the air bubbles.
Pour 1/2 of the batter into the pan. Sprinkle half of the caramel pieces on top. Pour in the rest of the batter and sprinkle with pieces of chocolate truffle. Steam on medium heat for 27 minutes. Stick it with a skewer and if it comes out clean, it's done.
Story Behind this Recipe
I wanted to make a dessert that didn't knead the truffles into the batter so I scattered pieces of truffle on top.
Since the area where the caramel is will cave in, pour in half the batter first, scatter with caramel, and then pour the rest of the batter on top. This will create a nicer finished product. You don't need to use chocolate truffles, you can use regular chocolate too and it will still taste delicious.