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 The Ultimate Peanut Butter Lover's Birthday Cake

The Ultimate Peanut Butter Lover's Birthday Cake

For our 5th Birthday we knew we had to make the Ultimate Peanut Butter Lover's Cake - and who better to help us than the cake master himself, our friend Liam Charles. Made with peanut butter and vanilla sponges, and peanut butter, chocolate, and salted caramel buttercream - this truly is the ultimate nut butter lover's cake. Serves 16-24.
Servings

16-24

Prep time

45 minutes

Cook time

50 minutes

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Ingredients

  • Peanut Butter Sponge
  • 100g Pip & Nut Smooth Peanut Butter

  • 250g unsalted butter - softened

  • 250g caster sugar

  • 4 large eggs

  • 250g self-raising flour

  • 1/2 tsp baking powder

  • 60ml whole milk

  • 1/2 tsp vanilla extract

  • Vanilla Sponge
  • 250g unsalted butter - softened

  • 125g muscovado sugar

  • 4 large eggs

  • 250g self-raising flour

  • 1/2 tsp baking powder

  • 60ml whole milk

  • 1/2 tsp vanilla extract

  • Peanut Butter Buttercream
  • 60g Pip & Nut Smooth Peanut Butter

  • 150g unsalted butter - softened

  • 325g icing sugar

  • 45ml whole milk

  • Salted Caramel Buttercream
  • 450g unsalted butter - softened

  • 975g icing sugar

  • 90ml whole milk

  • 4 tbsp salted caramel

  • 1 tsp vanilla extract

  • Chocolate Buttercream
  • 140g unsalted butter - softened

  • 215g icing sugar

  • 60g cocoa powder

  • 75ml whole milk

  • Filling & Decoration
  • 200g brownies - chopped into 1cm squares

  • Pip & Nut Nut Butter Cups - broken into pieces

  • Cocoa powder to sprinkle

Method

Peanut Butter Sponge
1

Cream the butter, peanut butter and sugar until light and fluffy. Add eggs one at a time. Add flour, baking powder, milk and vanilla on low speed. Divide between two 20cm tins and bake at 180C for 20-25 minutes. Cool on a wire rack.

Vanilla Sponge
2

Cream butter and both sugars until light and fluffy. Add eggs one at a time. Add flour, baking powder, milk and vanilla on low speed. Divide between two 20cm tins and bake at 180C for 20-25 minutes. Cool on a wire rack.

Buttercreams
3

For each buttercream: beat butter until pale and fluffy. Add remaining ingredients and beat until smooth.

Assemble
4

Layer the four sponges with the three different buttercreams, adding brownie pieces and nut butter cup pieces between the layers. Crumb coat the outside and chill. Apply a final coat of buttercream, decorate with nut butter cups, brownies and a dusting of cocoa powder.