Instructions: Preheat the oven to 160C/375F/Gas 3.
Butter and flour a 30cm cake tin.

Beat the butter and sugar together until pale and light.

Stir in the ground almonds and vanilla.

Beat in the eggs one at a time.

Fold in the lemon zest and lemon juice the polenta baking powder and salt.

Spoon into the prepared tin and bake in the preheated oven for 45-50 minutes or until set.

The cake will be deep brown on top.

Serves 10

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