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Mocha Squares on a white plate
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5 from 1 vote

Mocha Squares

Mocha Squares have a chocolate oat base with coffee icing.
Prep Time20 mins
Cook Time15 mins
Total Time35 mins
Course: Teatime
Cuisine: British
Keyword: Mocha, oats, traybake
Servings: 24 pieces
Author: [email protected] Cooks


For the Mocha Squares:

  • 250 g butter
  • 1 teaspoon vanilla extract (5ml)
  • 250 g granulated sugar
  • 250 g self-raising flour
  • 150 g rolled oats
  • 50 g cocoa powder, not drinking chocolate
  • Pinch of salt

For the Icing:

  • 80 g butter
  • 325 g icing sugar
  • 1 tablespoon instant coffee (15ml)
  • 40 ml hot water



  • Preheat the oven to 180°C/ 160°C fan/ gas mark 4/ 350°F
  • Line the base of the baking tin with baking parchment, a silicone baking mat or a piece of magic liner

For the Mocha Squares:

  • Melt the butter in a large saucepan on a LOW heat
  • Add the vanilla extract
  • Stir in the remaining ingredients so that everything is well combined
    (Sugar, flour, oats, sieved cocoa, pinch of salt)
  • Press the mixture into the tin and cook for 15 minutes
  • Cool in the tin

For the Icing:

  • Melt the butter in the microwave or on the hob
  • In a cup mix the instant coffee and hot water
  • Sift the icing sugar into a bowl
  • Add the melted butter and coffee to the icing sugar
  • Stir gently to combine, then beat well
  • Spread the icing over the cooled base
  • Leave to set, then cut into squares.