A classic Thermomix lemon cake is one of the easiest and most reliable cakes you can make. It is soft, moist, light, and full of fresh lemon flavor. The Thermomix simplifies the process by combining mixing, grinding, and blending into one machine, resulting in a perfectly smooth batter with minimal effort. Whether you are preparing a dessert for guests, baking for afternoon tea, or simply enjoying homemade cake with your family, this recipe delivers excellent results every time.
Ingredients
For the cake:
- 200 g white sugar
- 1 large unwaxed lemon (washed thoroughly)
- 3 large eggs
- 120 g vegetable oil (or melted butter)
- 120 g plain Greek yogurt
- 250 g self-raising flour
- 1 teaspoon baking powder
- 1 pinch salt
- 1 teaspoon vanilla extract (optional)
For the lemon glaze:
- 150 g icing sugar
- 2–3 tablespoons fresh lemon juice
Optional decorations:
- Lemon zest
- Thin lemon slices
- Fresh berries
- Mint leaves
- Powdered sugar
Equipment
- Thermomix TM5, TM6, or TM31
- 22–24 cm round cake tin
- Baking paper
- Cooling rack
- Spatula
Preparation
Step 1: Prepare the Oven
Preheat your oven to 180°C (350°F).
Grease your cake tin with butter or oil and line the base with baking paper.
Step 2: Prepare the Lemon
Cut the ends off the lemon.
Remove all seeds.
If using an unwaxed lemon, you can leave the peel on for stronger flavour. If the peel is thick or bitter, remove some of the white pith.
Cut the lemon into quarters.
Step 3: Make Lemon Sugar
Place the sugar into the Thermomix bowl.
Add the lemon pieces.
Blend for:
15 seconds / Speed 9
The sugar becomes fragrant while the lemon is finely chopped.
Scrape down the sides.
Step 4: Add Wet Ingredients
Add:
- Eggs
- Oil
- Yogurt
- Vanilla (optional)
Mix:
30 seconds / Speed 5
The mixture should look smooth and creamy.
Step 5: Add Dry Ingredients
Add:
- Flour
- Baking powder
- Salt
Mix:
20 seconds / Speed 4
Scrape the bowl.
Mix another:
10 seconds / Speed 4
Do not overmix.
Step 6: Fill the Tin
Pour the batter into the prepared cake tin.
Smooth the surface using a spatula.
Tap the tin gently on the counter to remove air bubbles.
Step 7: Bake
Bake for approximately:
35–45 minutes
Cooking time depends on your oven.
The cake is ready when:
- It is golden brown.
- It springs back when touched.
- A skewer inserted into the centre comes out clean.
Step 8: Cool
Leave the cake in the tin for 10 minutes.
Turn it onto a cooling rack.
Allow it to cool completely before glazing.
Lemon Glaze
Place icing sugar into the Thermomix bowl.
Add fresh lemon juice.
Mix:
20 seconds / Speed 4
The glaze should be thick but pourable.
If too thick, add a teaspoon of lemon juice.
If too thin, add more icing sugar.
Pour over the cooled cake.
Allow the glaze to set for about 20 minutes.
Tips for Success
- Use room-temperature eggs for a lighter cake.
- Fresh lemons give the best flavour.
- Avoid overmixing after adding the flour.
- Weigh ingredients accurately using the Thermomix scales.
- Check the cake after 35 minutes to avoid overbaking.
- Let the cake cool completely before adding glaze.
Variations
Lemon Poppy Seed Cake
Add:
- 2 tablespoons poppy seeds
Mix them with the flour.
Lemon Coconut Cake
Replace 50 g flour with:
- 50 g desiccated coconut
Lemon Blueberry Cake
Fold in:
- 150 g fresh blueberries
after mixing the batter.
Lemon Almond Cake
Replace 50 g flour with:
- 50 g ground almonds
This creates a richer texture.
Orange and Lemon Cake
Replace half the lemon with one small orange for a citrus blend.
Storage
Store the cake:
- At room temperature for up to 3 days in an airtight container.
- In the refrigerator for up to 1 week.
Bring to room temperature before serving for the best texture.
Freezing
Wrap the cooled cake tightly in plastic wrap and foil.
Freeze for up to 3 months.
Thaw overnight at room temperature.
If possible, freeze before adding the glaze.
Serving Suggestions
This lemon cake pairs beautifully with:
- Tea or coffee
- Fresh strawberries
- Whipped cream
- Vanilla ice cream
- Lemon curd
- Fresh raspberries
- Greek yogurt
It also makes an excellent celebration cake when decorated with extra lemon zest and edible flowers.
Troubleshooting
Cake is dense: Overmixing or too much flour can make the cake heavy.
Cake sank in the middle: The oven door may have been opened too early, or the cake was underbaked.
Cake is dry: It likely baked too long. Check for doneness a few minutes earlier next time.
Glaze runs off the cake: The cake was still warm or the glaze was too thin.
Nutritional Information (Approximate, per slice, based on 12 servings)
- Calories: 270 kcal
- Carbohydrates: 34 g
- Protein: 5 g
- Fat: 13 g
- Saturated Fat: 2 g
- Sugar: 20 g
- Fibre: 1 g
- Sodium: 180 mg
This Thermomix lemon cake is a dependable, family-friendly bake with a tender crumb, bright citrus aroma, and a simple lemon glaze. It works equally well as an everyday cake or a dessert for special occasions, and it can easily be adapted with ingredients such as blueberries, almonds, coconut, or poppy seeds to create different flavour variations.

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