Spekkoek is thought to have been made by the wives of Dutch administrators in Batavia during the colonial period and served during evening tea.
Preparation
As a spekkoek commonly has more than 18 layers, baking it requires patience and is a very labour-intensive process. The batter is mainly made of butter, flour and sugar with an approximate ratio of 1:1:2. Each layer is made by pouring a small amount of batter into a baking tin, which is then put into an oven and grilled from above until the layer has turned golden from the heat. The tin is then removed from the oven and the process repeated to build up the remaining layers. Dutch ovens with a charcoal fire on top of the lid are said to produce the best results, while electric ovens are superior to gas ovens as cakes bake much faster in the former. Where clove buds or cardamom seeds are difficult to find, bakers can use spekkoek powder as a replacement. Milling and mixing the spices right before baking produces a cake with an excellent aroma. The ground spices must be sieved into the flour at least three times as the spice powder is very fine and tends to clump in the batter. In Indonesia, there are many varieties of lapis legit, including cakes containing almonds, cashew nuts, cheese, prunes or raisins, and even cakes flavoured with chocolate and pandan.
Market
Due to the effort required to bake the cake, it is a rather expensive delicacy, costing about €20 per kilogram in 2010 in the Netherlands. In Indonesia, a similar-sized lapis legit can cost up to Rp 400,000. Generally, a typical lapis legit cake is sold in a square pan and costs at least Rp 350,000 for a home-made, and up to Rp 900,000 for a special made.
Similar cakes
In Malang, East Java, kue lapis malang or spiku malang refers to a two-layered cake, prepared using a different technique. Two batter mixes are prepared, one with naturally produced yellow colour, the other mixed with cocoa powder to produce a dark brown colour. The batter mixes are poured into two different baking tin and baked in the oven. To assemble, the cake is layered on top of the other with a thin layer of fruit jam in between. Similarly in Surabaya, kue lapis surabaya or spiku surabaya refers to a three-layered cake, prepared using a similar technique to spiku malang. Lapis legit is similar to traditional Indonesian kue lapis, the difference being that lapis legit is a puffy layered cake, made of flour and is baked, while kue lapis is a moist layered pudding, made of rice flour and sago, and is steamed. Lapis legit has also spread to Malaysia. A form developed in Sarawak is called the Sarawak layer cake or kek lapis Sarawak which has greater colour and flavour variations.