Preheat the oven to 170°C/340F. Grease and line a loaf tin using the sling method with an overhang for easy removal of the loaf.
Place the dates in a heatproof bowl. Sprinkle the baking soda over the dates, and then pour the boiling water over the dates. Set aside to soak and allow to cool.
150 grams dates, 1 teaspoon baking soda, 200 grams boiling water
Whisk together the softened butter and brown sugar until well combined. Add in the spices, salt, vanilla, and eggs, whisk through until well combined.
125 grams butter, 100 grams brown sugar, 2 eggs, 2 teaspoons vanilla extract, 3 teaspoons cinnamon, 2 teaspoon ginger, ½ teaspoon nutmeg, ½ teaspoon mixed spice, ¼ teaspoon ground cloves, ½ teaspoon salt
Sieve in the flour and baking powder, add in the nuts, and date mixture. Fold the ingredients together using a wooden spoon or spatula. Pour into the prepared loaf tin and baking for 45-55 minutes or until a cake tester comes out just clean.
225 grams plain flour, 2 teaspoons baking powder, 100 g walnuts
Once baked, allow cooling in the tin for 10-20 minutes before removing and placing on a cooling tack to completely cool. Slice and serve.