Mary Berry Lemon Buttercream Recipe

April 14, 2026
Mary Berry Lemon Buttercream Recipe

Do you love light and zesty frostings? This Mary Berry Lemon Buttercream Recipe is the best choice. It is sweet and tangy.

Learning how to make Mary Berry Lemon Buttercream is very simple. You only need a few basic items.

This Mary Berry Lemon Buttercream Recipe will make your cakes taste amazing. Let’s start baking now!

What Makes This Recipe Special

This recipe is a classic for a reason. The flavor is very bright. It uses real lemon for a fresh kick. The texture is silky and very smooth.

It spreads easily on any cake or cupcake. It is also very fast to make. You can finish it in ten minutes. It is perfect for busy bakers. This recipe never fails to impress guests.

Mary Berry Lemon Buttercream Recipe

Equipment List

  • Large Mixing Bowl: This holds all your ingredients together.
  • Electric Hand Whisk: This makes the frosting fluffy and light.
  • Citrus Juicer: This gets every drop from the lemon.
  • Fine Grater: You need this for the lemon zest.
  • Spatula: This helps you scrape the bowl clean.
  • Sieve: This removes lumps from the icing sugar.

Ingredients You Need for Mary Berry Lemon Buttercream Recipe

  • Unsalted Butter: This provides a rich and creamy base.
  • Icing Sugar: This adds sweetness and a smooth structure.
  • Fresh Lemons: These give the recipe a sharp citrus taste.
  • Milk: Use a splash if the texture is too thick.
  • Yellow Food Coloring: This is optional for a brighter look.

How to Assemble

1. Soften the Butter

Place your butter in a large bowl. It must be very soft. This prevents lumps in your frosting.

2. Sift the Sugar

Sieve the icing sugar into the bowl. This keeps the buttercream very smooth. Do not skip this step.

3. Mix Slowly

Turn your whisk on a low speed. Mix the butter and sugar together. This stops a sugar cloud from forming.

4. Add Lemon Zest

Grate the yellow skin of the lemon. Do not use the white part. Add it to the bowl.

5. Add Lemon Juice

Squeeze the fresh juice into the mix. Whisk again on a high speed. It should look pale and fluffy.

6. Adjust the Texture

Check the thickness of your frosting. Add milk if it is too stiff. Whisk one last time.

Recipe Success Tips

➜ Use room temperature butter for a very smooth finish.

➜ Sift the sugar to avoid tiny hard lumps.

➜ Use fresh lemons instead of bottled juice for flavor.

➜ Beat the butter alone first to make it creamy.

➜ Add juice slowly to keep the mix from curdling.

➜ Taste as you go to find the perfect zing.

How To Store Leftover

You can store this buttercream easily. Put it in an airtight container. Keep it in the fridge for five days. You can also freeze it for three months.

Before using, let it reach room temperature. Give it a quick whisk to restore the fluff. It will taste just like the day you made it.

Sides & Pairings Suggestions

This buttercream pairs perfectly with vanilla sponge cakes. It is also great on poppy seed muffins. Try it as a filling for lemon macarons.

You can spread it on simple butter cookies. It works well with fresh berries on top. The tart lemon cuts through sweet chocolate cake too. It is a very versatile topping.

Nutritions

  • Calories: 150 kcal
  • Total Fat: 11g
  • Sugars: 14g
  • Vitamin C: 8%
  • Sodium: 2mg

FAQs about Mary Berry Lemon Buttercream Recipe

Can I use margarine instead of butter?

You can use margarine for this recipe. However, the flavor will not be as rich. Real butter gives the best professional results.

Why is my buttercream splitting?

The butter might be too cold. Or, you added the juice too fast. Whisk it rapidly to bring it back together.

How do I make it more yellow?

Natural buttercream is a pale cream color. Add one drop of yellow food gel. This makes it look very bright.

Can I use lime instead of lemon?

Yes, you can swap them easily. Lime gives a tropical and sharp flavor. Follow the same steps for great results.

Final Thoughts

Making the Mary Berry Lemon Buttercream Recipe is a joy. It is simple, fast, and delicious. Your family will love the fresh citrus smell.

It turns a plain cake into a treat. Use the ingredients for Mary Berry Lemon Buttercream listed below. You will have perfect frosting every time. Happy baking to you and your friends!

More Amazing Recipes

Mary Berry Lemon Buttercream Recipe

Mary Berry Lemon Buttercream Recipe

Do you love light and zesty frostings? This Mary Berry Lemon Buttercream Recipe is the best choice. It is sweet and tangy.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 0 minutes
Total Time 15 minutes
Course Dessert
Cuisine American
Servings 10
Calories 150 kcal

Equipment

  • Large mixing bowl
  • Electric Hand Whisk
  • Citrus Juicer
  • Fine Grater
  • Spatula
  • Sieve

Ingredients
  

  • 250 g Unsalted Butter
  • 500 g Icing Sugar
  • 1 large Lemon zest and juice
  • 1 tbsp Milk optional

Instructions
 

1. Soften the Butter

  • Place your butter in a large bowl. It must be very soft. This prevents lumps in your frosting.

2. Sift the Sugar

  • Sieve the icing sugar into the bowl. This keeps the buttercream very smooth. Do not skip this step.

3. Mix Slowly

  • Turn your whisk on a low speed. Mix the butter and sugar together. This stops a sugar cloud from forming.

4. Add Lemon Zest

  • Grate the yellow skin of the lemon. Do not use the white part. Add it to the bowl.

5. Add Lemon Juice

  • Squeeze the fresh juice into the mix. Whisk again on a high speed. It should look pale and fluffy.

6. Adjust the Texture

  • Check the thickness of your frosting. Add milk if it is too stiff. Whisk one last time.

Notes

➜ Use room temperature butter for a very smooth finish.
➜ Sift the sugar to avoid tiny hard lumps.
➜ Use fresh lemons instead of bottled juice for flavor.
➜ Beat the butter alone first to make it creamy.
➜ Add juice slowly to keep the mix from curdling.
➜ Taste as you go to find the perfect zing.
Keyword Mary Berry Lemon Buttercream Recipe