Are you ready to bake a tasty dessert? You must try this Mary Berry Lemon Buttercream Recipe. This sweet frosting is very easy to make.
It brings a bright citrus pop to any treat. Learn how to make Mary Berry Lemon Buttercream Recipe today for your family.
The ingredients for Mary Berry Lemon Buttercream Recipe are very simple. This frosting changes normal cakes into great desserts.
Your friends will love the fresh taste. Follow this guide to make the best sweet topping ever. For more great baking inspiration, check out these classic Mary Berry recipes online.
What Makes This Recipe Special
This recipe has a very bright and tangy flavor. The fresh lemon cuts through the sweet sugar. It has a super smooth and velvety texture. It feels like silk on your tongue.
This frosting is incredibly easy to make at home. It only takes about ten minutes of your time. You do not need any complex cooking skills. It is perfect for busy days or fast baking.

Equipment List
- Large mixing bowl: You need this clean bowl to hold your ingredients safely together.
- Electric hand mixer: This tool helps you beat the butter until it is fluffy.
- Fine mesh sieve: Use this to sift your sugar and remove all hard lumps.
- Rubber spatula: This helps you scrape down the sides of your mixing bowl easily.
- Lemon zester: You need this tool to get the fine peel from your fresh lemon.
- Juicer: Use this helper to squeeze out all the fresh juice without any seeds.
Ingredients You Need for Mary Berry Lemon Buttercream Recipe
- Unsalted butter: This ingredient forms the creamy base and must be quite soft.
- Icing sugar: This sweet powder adds structure and dissolves into the butter smoothly.
- Fresh lemon juice: This liquid provides a sharp tartness and thins the sweet frosting.
- Lemon zest: These small yellow flecks add a deep aroma and bright color.
- Milk: You might need a splash of this liquid to soften the texture.
- Salt: A tiny pinch balances the sweetness and enhances the real lemon flavor.
How to Assemble
Step 1:
Place your soft butter into the clean mixing bowl carefully. Beat it with your electric hand mixer for three full minutes. The butter will turn very pale and look fluffy.
Step 2:
Sift your sweet icing sugar through the fine mesh sieve now. Add it to the whipped butter in small batches slowly. Mix on low speed so you do not make a white cloud.
Step 3:
Pour the fresh lemon juice into your thick mixture gently. Add the fine lemon zest and a tiny pinch of salt next. Beat the frosting for two more minutes until light.
Step 4:
Check the texture of your smooth frosting with a clean spoon. Add one tablespoon of milk if the mixture feels too thick. Mix one last time until it looks perfectly spreadable.
Recipe Success Tips
- Always use room temperature butter for a smooth texture.
- Sift the icing sugar to avoid any tiny hard lumps.
- Use fresh lemons instead of bottled juice for best flavor.
- Beat the butter long enough until it turns pale.
- Add sugar slowly to prevent a big kitchen mess.
- Scrape the bowl often to mix everything very evenly.
- Adjust milk carefully to get the best piping thickness.
- Chill the frosting slightly before you start your decoration.
- Add extra zest if you love a stronger punch.
- Use a pinch of salt to balance heavy sweetness.
How To Store Leftover
You can store your leftover buttercream in an airtight container easily. Keep it in the fridge for up to one week.
You must bring it back to room temperature before using. Beat it again for one minute to make it soft. You can also freeze this sweet frosting for up to three months.
Sides & Pairings Suggestions
This zesty frosting pairs beautifully with a classic vanilla sponge cake. It also tastes amazing on top of simple blueberry muffins.
You can spread it between two rich shortbread cookies. It goes well with fresh red berries on the side. Try it on dark chocolate cupcakes for a fun flavor twist.
Nutritions
| Nutrient | Value per Serving |
| Calories | 210 kcal |
| Total Fat | 11g |
| Carbohydrates | 27g |
| Sugars | 26g |
| Sodium | 15mg |
FAQs about Mary Berry Lemon Buttercream Recipe
Can I use salted butter for this frosting?
Yes, you can use salted butter if you want. Just skip the extra pinch of salt later in the steps. It will still taste very delicious.
How do I fix runny buttercream?
You can fix runny buttercream by adding more sifted icing sugar. Add one tablespoon at a time. Mix well until it becomes thick again.
Do I really need to use fresh lemon zest?
Yes, fresh zest gives the frosting a wonderful aroma. It has natural oils that bottled juice does not have. It makes a big difference.
Can I make this recipe ahead of time?
Yes, you can make this frosting one or two days early. Keep it covered in the fridge. Stir it well before you decorate your cakes.
Final Thoughts
Making this Mary Berry Lemon Buttercream Recipe is a fun kitchen project. It is quick, fresh, and tastes wonderful.
Your homemade cakes will look beautiful and taste like they came from a bakery. If you love baking sweet things, you might also enjoy learning how to make a classic lemon drizzle cake for your next party. Share this yummy recipe with your friends today.
More Amazing Recipes
- Martha Stewart Pumpkin Squares Recipe
- Martha Stewart Chicken And Dumplings Recipe
- Ina Garten Green Bean Casserole Recipe
- Martha Stewart Chicken Salad Recipe

Mary Berry Lemon Buttercream Recipe
Equipment
- Large Mixing Bowl
- Electric hand mixer
- Fine-mesh sieve
- Rubber spatula
- Lemon zester
- Juicer
Ingredients
- 200 grams UNSATURATED BUTTER
- 400 grams ICING SUGAR
- 2 tbsp FRESH LEMON JUICE
- 1 tsp LEMON ZEST
- 1 tbsp MILK
- 1 pinch SALT
Instructions
- Place your soft butter into the clean mixing bowl carefully. Beat it with your electric hand mixer for three full minutes. The butter will turn very pale and look fluffy.
- Sift your sweet icing sugar through the fine mesh sieve now. Add it to the whipped butter in small batches slowly. Mix on low speed so you do not make a white cloud.
- Pour the fresh lemon juice into your thick mixture gently. Add the fine lemon zest and a tiny pinch of salt next. Beat the frosting for two more minutes until light.
- Check the texture of your smooth frosting with a clean spoon. Add one tablespoon of milk if the mixture feels too thick. Mix one last time until it looks perfectly spreadable.
Notes
- Always use room temperature butter for a smooth texture.
- Sift the icing sugar to avoid any tiny hard lumps.
- Use fresh lemons instead of bottled juice for best flavor.
- Beat the butter long enough until it turns pale.
- Add sugar slowly to prevent a big kitchen mess.
- Scrape the bowl often to mix everything very evenly.
- Adjust milk carefully to get the best piping thickness.
- Chill the frosting slightly before you start your decoration.
- Add extra zest if you love a stronger punch.
- Use a pinch of salt to balance heavy sweetness.

I’m Bella Rose, and I’m here to rescue your busy weeknights with quick, delicious, and easy family recipes. From comforting classics to simple, seasoned dishes your kids will actually eat, find everyday meal inspiration that saves you time without sacrificing flavor.


















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