Mary Berry's Coffee And Walnut Traybake
T his coffee and walnut traybake by Mary Berry is a perfect companion for your afternoon cuppa. The cake is so moist with the right sweetness that it pairs well with the savoury walnuts.

- Prep time
- 15 min
- Cook time
- 35 min
- Yield
- 16 servings
- Difficulty
- MEDIUM
Ingredients
Quantities are shown as originally provided.
- 2 tablespoons instant coffee granules.
- 2 tablespoons hot boiling water.
- 8 ounces butter or baking spread (see the note.)
- 8 ounces caster sugar.
- 10 ounces self-raising flour (see the note.)
- 1 teaspoon baking powder.
- 4 large eggs.
- 4 tablespoons milk.
- 1 tablespoon instant coffee granules.
- 1 tablespoon hot boiling water.
- 4 ounces butter (at room temperature.)
- 6 ounces icing sugar (sieved.)
- 1 tablespoon milk.
- 2 handfuls walnut (chopped.)
Instructions
- 1
Preheat the oven at gas 4/ 180℃/ 356℉.
- 2
Prepare a 30 x 23cm (12 x 9 in) bake tin, grease its side and line it with a greaseproof baking paper.
- 3
Dissolve two tablespoons of instant coffee granules with two tablespoons of hot boiling water from the kettle. Let it cool while you get the other ingredients ready.
- 4
In a mixing bowl, place the self-raising flour, caster sugar, baking powder, baking spread or margarine, eggs and milk.
- 5
Use a handheld mixer or a standing mixer to beat the ingredients in the bowl until you get a smooth batter.
- 6
Then add the coffee mix into the batter. Mix well.
- 7
Pour the batter into the traybake and level the top evenly.
- 8
Bake for about 30-35 minutes at gas 4/ 180℃/ 356℉ until the top springs back when you touch the cake and it has shrunk from its sides a little.
- 9
Let the cake cool down for about 15 minutes before taking it out of the tin.
- 10
Meanwhile, mix one tablespoon of instant coffee granules with one tablespoon of hot water from the kettle. Leave it to cool.
- 11
Beat the butter, icing sugar, milk and coffee mixture until smooth and fluffy.
- 12
Spread the buttercream on top of the coffee cake and scattered the chopped walnuts over. Cut the cake into generous 16 pieces.