170g plain flour
40g cocoa powder (unsweetened)
1 tsp baking soda
Pinch of salt
1 tbsp espresso coffee grounds
200g Heinz [Seriously] Good Mayonnaise
2 eggs
1 cup of water
200g caster sugar
100g dark chocolate chips
For the buttercream:
150g egg white
200g caster sugar
400G UNSALTED BUTTER (SOFT, NOT MELTED)
4 tbsp cocoa powder
Preheat your oven to 180c and grease 2 x 6" cake pans with butter, olive oil or cake spray.