Salted Caramel and Chocolate Brownie Cake

Chocolate Sponge Cakes

• 60 g unsalted butter, diced, plus extra for greasing
• 250 g caster sugar
• 8 medium eggs
• 170 g self-raising flour
• 80 g cocoa powder, unsweetened
• 2 pinches fine sea salt

Cream and Salted Caramel Filling

• 100 g liquid caramel
• 100 g unsalted butter, diced
• 1 tsp fine sea salt, to taste
• 680 g whipping cream