With a special surprise ingredient, this gluten-free lemon cake stays beautifully moist. To everyone’s amazement it’s mash potato!

Ingredients
Method
The cake
- Heat oven to 180C/fan 160C/gas 4.
- Butter and line a deep, 20cm round cake tin.
- Beat the sugar and butter together until light and fluffy, then gradually add the egg, beating after each addition.
- Fold in the almonds, cold mashed potato, lemon zest and baking powder.
- Tip into the tin, level the top, then bake for 40-45 mins or until golden and a skewer inserted into the middle of the cake comes out clean.
- Turn out onto a wire rack after 10 mins cooling.
The drizzle
- Mix the granulated sugar and the lemon juice together, then spoon over the top of the cake, letting it drip down the sides.
- Let the cake cool completely before slicing.