Easy Lemon Slice | Classic Recipe

The easiest and most delicious baked Lemon Slice ever…. with the BEST creamy & tangy lemon frosting – this is such a quick, simple and classic recipe.

The easiest and most delicious baked Lemon Slice ever.... with the BEST creamy & tangy lemon frosting - this is such a quick, simple and classic recipe.

Well hello there!! I’m so, SO happy that you’re here checking out my Lemon Slice recipe… because it is seriously going to make your day! It’s quick. It’s easy. And most importantly – it’s so damn delicious. Tickety, tick, tick, tick!

The easiest and most delicious baked Lemon Slice ever.... with the BEST creamy & tangy lemon frosting - this is such a quick, simple and classic recipe.

If you’re new to Bake Play Smile, you might not know that one of the most popular recipes on my blog is my No-Bake Lemon & Coconut Slice (it also just happens to be my hubby’s favourite slice). If you haven’t made it yet, please do. It’s pretty darn awesome. But if you want a different kind of lemon slice (as in a baked lemon slice), this is the recipe for you!

The easiest and most delicious baked Lemon Slice ever.... with the BEST creamy & tangy lemon frosting - this is such a quick, simple and classic recipe.

My Lemon Slice recipe is quite literally the simplest thing ever. Basic ingredients. Basic equipment. Mix. Bake. Add frosting. That’s pretty much it. And if you’re like me and have a cute little toddler who has decided to grab onto your leg at ALL times… then this is the recipe you need! Trust me, it’s totally possible to make this slice with a little person attached to your leg!!!

The easiest and most delicious baked Lemon Slice ever.... with the BEST creamy & tangy lemon frosting - this is such a quick, simple and classic recipe.

I love this Lemon Slice because the base is so deliciously tangy and moist. And don’t even get me started on the frosting. It’s actually the exact same frosting I use on my classic Lemon & Coconut Slice. There’s really no reason to change it… it’s seriously delicious (and easy!!).

The easiest and most delicious baked Lemon Slice ever.... with the BEST creamy & tangy lemon frosting - this is such a quick, simple and classic recipe.

But rather than listen to me blabber on anymore, go and make this super easy slice. Your tummy (and that of your hubby and kids!) will love you for it. Ohhh and before you go, check out my favourite traditional slice recipes AND the best no-bake slices. Soooo much slice-y goodness!!!!

The easiest and most delicious baked Lemon Slice ever.... with the BEST creamy & tangy lemon frosting - this is such a quick, simple and classic recipe.

PS. Here’s a video to show how totally easy this Lemon Slice is (just in case you need any more convincing!).

The easiest and most delicious baked Lemon Slice with tangy frosting. A quick, simple and classic recipe.

Easy Lemon Slice - Conventional Method

The easiest and most delicious baked Lemon Slice with tangy frosting. A quick, simple and classic recipe. 
2.45 from 9 votes
Print Pin Rate
Course: Slices
Cuisine: Baking
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 35 minutes
Servings: 16 pieces

Ingredients

  • 115 g butter, softened
  • 3/4 cup (150g) caster sugar
  • zest from 1 lemon
  • 2 eggs
  • juice from 1 lemon
  • 1/2 tsp baking powder
  • 3/4 cup (95g) plain flour
  • For the frosting:
  • 270 g icing sugar
  • 65 g butter, softened
  • 4 tbs lemon juice (extra if needed)

Instructions

  • Preheat oven to 170 degrees celsius (fan-forced). Grease and line a 20cm X 20cm cake tin with baking paper. Set aside. 
  • Place the butter, caster sugar and lemon zest into a large bowl. Beat until smooth and creamy. 
  • Add the eggs and lemon juice and beat to combine. 
  • Fold through the baking powder and flour. 
  • Spoon the mixture into the prepared tin and bake for 20-25 minutes or until a skewer inserted into the middle comes out clean. 
  • To prepare the frosting, place the icing sugar, butter and lemon juice into a bowl. Whisk until smooth and creamy. If the frosting is a little too thick, add a bit more lemon juice and whisk again.
  • Spread the frosting over the cooled slice and allow to set. 
  • Store in an airtight container at room temperature for 4-5 days. This slice can also be frozen. 
The easiest and most delicious baked Lemon Slice with tangy frosting. A quick, simple and classic recipe.

Easy Lemon Slice - Thermomix Method

The easiest and most delicious baked Lemon Slice with tangy frosting. A quick, simple and classic recipe. 
5 from 1 vote
Print Pin Rate
Course: Slices
Cuisine: Baking
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 35 minutes
Servings: 16 pieces

Ingredients

  • 115 g butter, softened
  • 3/4 cup (150g) caster sugar
  • zest from 1 lemon
  • 2 eggs
  • juice from 1 lemon
  • 1/2 tsp baking powder
  • 3/4 cup (95g) plain flour
  • For the frosting:
  • 270 g icing sugar
  • 65 g butter, softened
  • 4 tbs lemon juice (extra if needed)

Instructions

  • Preheat oven to 170 degrees celsius (fan-forced). Grease and line a 20cm X 20cm cake tin with baking paper. Set aside. 
  • Place the butter, caster sugar and lemon zest into the Thermomix bowl. Insert the butterfly and mix on Speed 4, 30 seconds. Scrape down the sides of the bowl and repeat until smooth and creamy. 
  • Add the eggs and lemon juice and mix on Speed 4, 10 seconds to combine. 
  • Remove the butterfly. Add the baking powder and flour and mix on Speed 4, 10 seconds. Scrape down the sides and repeat for a further 5 seconds. 
  • Spoon the mixture into the prepared tin and bake for 20-25 minutes or until a skewer inserted into the middle comes out clean. 
  • To prepare the frosting, place the icing sugar, butter and lemon juice into the Thermomix bowl and mix on Speed 4 for 20 seconds. Scrape down the sides of the bowl with a spatula. Mix on Speed 4 for an extra 30 seconds.
  • Spread the frosting over the cooled slice and allow to set. 
  • Store in an airtight container at room temperature for 4-5 days. This slice can also be frozen. 

The easiest and most delicious baked Lemon Slice ever.... with the BEST creamy & tangy lemon frosting - this is such a quick, simple and classic recipe.

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Liz
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Liz

Butterfly used and on Speed 6? Isn’t the max speed when butterfly is called for is speed 4?

Swah
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Oh yum, lemon slice is one of my favourite childhood treats. This looks divine!.

Nikky
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Nikky

Yum! Perfect way to use up some of the crop from our hugely prolific lemon tree. Just one question: butter is so terribly expensive over here in NZ at the mo, do you have any experience of replacing butter with oil? I don’t want to damage the flavour or texture!

Clytie
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Clytie

How much is the juice of one lemon? Quantity varies enormously, as it does with oranges. Then we have pulp of 3 passion fruit???? Your help would be appreciated.