Preheat the oven to 160°C fan / 180°C conventional. Grease and line the base and sides of two 8-inch round cake tins with baking paper. TOP TIP: use cake strips to bake cakes with a flat, even top. In a large bowl, whisk all the dry ingredients together until combined. Make a well in the middle.
330 grams White or golden caster sugar, 375 grams Self-raising flour, 50 grams 100% cocoa powder, 50 grams Whittard Hot Honey Hot Chocolate, 1 + ½ teaspoon Ground cinnamon, ½ teaspoon Cayenne pepper, 1 teaspoon Baking powder
In a jug, whisk all the wet ingredients together (apart from the boiling water) until combined.
300 millilitre Vegetable or sunflower oil, 150 millilitre Whole milk, 4 medium Eggs
Pour the wet ingredients into the dry. Whisk until smooth and combined. Mix in the boiling water.
150 millilitre Boiling water
Divide the mixture evenly between the tins and bake for 40-45 minutes until risen and the sponge springs back when pressed in the middle. Allow the cake to cool for 30 minutes in the tin, then carefully turn out onto a wire rack and leave to cool completely.