Blackberry cake with marshmallow frosting
Waitrose and Partners

Blackberry cake with marshmallow frosting

This three layered cake is filled with a marshmallow-fluff based frosting which is packed with sweet, juicy blackberries.

    • Serves12
    • CourseCake
    • Prepare40 mins
    • Cook30 mins
    • Total time1 hr 10 mins


    • 300g Président Butter Unsalted, unsalted
    • 225g essential Waitrose self-raising flour, plus extra for dusting
    • 5 large eggs
    • 300g Billington's Golden Caster Sugar
    • 75g ground almonds
    • ½ zest and juice

    For the marshmallow frosting

    • 150g Président Butter Unsalted, softened
    • 250g icing sugar, sifted
    • 1/2 x 213g jar marshmallow fluff
    • 425g Waitrose 1 Blackberries
    • 4 tbsp Tiptree Blackberry Jelly, available at selected stores