Thermomix Lemon Bars

Author: Sophia

These Thermomix Lemon Bars are so yummy and the perfect sweet snack for afternoon tea. Very refreshing and made with the most amazing lemon curd. If you are looking for a good snack recipe that you can make for afternoon tea or to snack on, these Thermomix lemon bars are absolutely perfect. The lemon curd is special because it is made with a mixture of olive oil and butter, which adds an extra flavour to the classic. You can also use the recipe for the beautiful lemon curd to spread on toast or in a lemon dessert.



Lemon Bars

  • 100 g butter
  • 1 egg yolk
  • 80 g caster sugar
  • 225 g plain flour

Lemon curd filling

  • 240 g caster sugar
  • 2 lemons zest only
  • 3 eggs
  • 60 g olive oil
  • 60 g butter
  • 150 g lemon juice approximately 3-4 lemons


  1. Preheat the oven to 180°C.
  2. Place the butter, egg yolk, caster sugar and plain flour in the mixing bowl. Mix 20 Sec. / Speed 6. While mixing, add a splash of water through the lid until the pastry comes together.
  3. If you don't have a Thermomix, place the butter and plain flour in a large bowl. Rub together until it crumbles, then add the caster sugar and egg yolk and enough water to knead it to a smooth dough.
  4. Fill the mixture into a medium sized rectangular tin lined with greaseproof paper. Press down firmly and place in the fridge for 10 minutes.
  5. Meanwhile, clean the mixing bowl. For the filling, place the caster sugar in the mixing bowl. Mill 15 Sec. / Speed 10. Add the lemon zest and blitz 20 Sec. / Speed 10. Scrape down.
  6. Add the eggs, olive oil, butter and lemon juice to the mixing bowl. Cook 20 Min. / 90°C / Speed 2 / no measuring cup.
  7. If you don't have a Thermomix, place the caster sugar in a food processor and blend until you have rough icing sugar. Then add the lemon zest and blitz again until it is all smooth. Pour the mixture in a large heatproof bowl that fits on top of a saucepan filled with water. Add the lemon juice, butter and olive oil to the bowl and sit on top the the saucepan filled with water. Make sure the bowl does not touch the water. Bring the saucepan to simmering point and leave to simmer, while constantly stirring the mixture. Whisk in the eggs, one at a time. Then leave to simmer for another 10 minutes until it thickens, stirring sometimes.
  8. While cooking, place the tray with the shortcrust pastry in the oven and bake for 20 minutes.
  9. Remove the tray from the oven and place on a wire cooling rack.
  10. To finish off the lemon curd, mix with the measuring cup on the lid 20 Sec. / Speed 6.
  11. Pour over the baked pastry and leave to set in the fridge for at least 4 hours. Slice up and enjoy!