Gather all ingredients and preheat the oven to 160 °C.
In a large bowl, mix the flour, salt, and mixed spice.
285 g self-raising flour, 2 tsps Mixed Spice, ⅛ tsp salt
Using your fingertips, rub in the butter until you have a breadcrumb consistency.
225 g unsalted butter
Add the sugar and ground almonds. Mix well with a wooden spoon, until well combined. Break up any remaining clumps of sugar and butter.
75 g ground almonds, 225 g dark brown sugar
Pour the dry ingredients into the bowl of a stand mixer fixed with the paddle attachment.
Add the soaked fruit, eggs, and treacle and gently mix until everything is well combined.
30 ml black treacle, 6 large eggs
Divide the batter evenly into the prepared tin(s) and use the back of a spoon to make sure the top is level and smooth.
Bake in the oven for 1 hour, then reduce the temperature to 140 °C, and bake for a further 40 minutes, or until the cake is fully baked. The internal temperature of the cake should be about 95 °C.
Remove from the oven and leave in the tin to cool completely.
When cool, remove cake from the tin, leaving the inner lining on the cake
Poke a clean knitting needle into the top of the cake a few times, and then spoon 15 ml of brandy over the top of the cake.
15 ml brandy
Double wrap the cake in parchment paper, and then wrap in foil, and store in an airtight container until ready to use.