Why make a lemon cake?

Lemon cake is a timeless classic that never goes out of style. First, for its incomparable freshness.
Lemon adds a bright, zesty note that perfectly balances the sugar. It’s also a cake that’s simple yet elegant. With just a few basic ingredients, you get a result that always impresses — whether for a coffee with friends, a brunch, or a slightly special weeknight dessert.

Lemon cake is also appreciated for its versatility:
• Enjoy it for breakfast or dessert
• Serve it plain or with a glaze
• Loved by both adults and children

And unlike richer desserts, it has a feeling of being lighter and more balanced, while still remaining indulgent.
Ultimately, it’s a staple because it’s reliable. This is the kind of recipe you make on autopilot, easy to adapt, and that works every single time.
A good lemon cake is simple… but that’s exactly what makes it perfect.

The role of ingredients

Every ingredient has a purpose here:
• Butter: adds richness and a melt-in-your-mouth texture
• Sugar: balances the acidity of the lemon and sourdough
• Eggs: provide structure and stability
• Greek yogurt: adds softness without heaviness
• Active sourdough starter: for flavour and texture
• Lemon zest + juice: for a fresh, bright, natural taste

👉 The zest is essential — that’s where the real lemon flavour comes from.

Why use sourdough in baking?

Sourdough isn’t just for bread. In baking, it becomes a secret ingredient that completely transforms a classic recipe. In a cake like this lemon pound cake, sourdough adds a unique complexity of flavour. Unlike traditional desserts that can be purely sweet, sourdough brings a subtle tang that balances the flavours. The result is a more refined, less cloying cake, with a depth you won’t find anywhere else.

It’s the combination of lemon and sourdough that makes all the difference. The lemon adds freshness, while the sourdough contributes a subtly fermented, almost “buttery” note that makes each bite more interesting.

A simple way to reduce waste

If you make sourdough at home, you know you often end up with extra starter — the so-called “discard.”
Instead of throwing it away, this recipe is a perfect way to give it a second life.
Using your discard in sweet recipes like this cake lets you:
• Reduce food waste
• Get the most out of every stage of your starter
• Bake more consciously and sustainably

It’s an approach that fits perfectly with a simple, economical, and responsible home cooking philosophy.

The secret to a great pound cake

Pound cake is dense, rich, yet tender. Contrary to what you might think, it’s not complicated — but it does require following a few key steps.

The most important?
👉 Creaming the butter and sugar. This step is often underestimated, but it makes all the difference.

When you beat the butter with the sugar:
• You incorporate air
• You create a light base
• You ensure a fine, even crumb

Take the time to do it right: the mixture should become pale, light, and fluffy. This is what turns an “okay” cake into a truly great one.

A simple recipe that makes an impression

This is the kind of cake that is:
• Perfect with coffee
• Easy to make with kids
• Pretty enough to serve to guests
• Even better the next day

And with the lemon glaze on top…
it adds just the right amount of zing.

Storage

This sourdough lemon cake keeps very well, making it perfect to prepare ahead.
Once completely cooled, cover it tightly to preserve all its softness.
It keeps up to 3 days at room temperature, or up to 1 week in the fridge.
Thanks to the sourdough and yogurt, the texture stays tender and pleasant even after a few days — and it’s often even better the next day.