Honey cake

Honey

• 250 g honey (see Tips)

Cake layers

• 100 g walnuts
• 120 g caster sugar
• 180 g unsalted butter, cut into pieces
• 60 g pouring (whipping) cream
• 1 egg
• 530 g plain flour
• 1 tsp bicarbonate of soda
• 1 tsp cocoa powder
• 2 pinches sea salt

Rum

• 120 g water
• 30 g rum

Caramel icing

• 270 g unsalted butter, softened and cut into pieces
• 400 g tinned caramel (see Tips)

Assembley

• plain flour, to dust