Lemon Blueberry Cake

This Lemon Blueberry Cake is a total stunner, both in flavor and looks! Lemon layers are filled and frosted with the most decadent blueberry cream cheese frosting with a hint of citrus zest. A cake for the everyday home baker.

No matter what season it is, lemon and blueberries always manage to bring some sunshine into a kitchen, don't they?

Lemon cakes are a favorite all around. People rave and can't get enough of them. Are you in that category? I know I am, and make mine extra lemony, please.

Add blueberries and it grows exponentially. The cake I mean, though the hips might join at some point too.

Anyway, let's talk about this lemon layer cake with the most delectable blueberry cream cheese frosting.

About layer cakes

Layer cakes are the quintessential cakes, the ones we always want to master and that make a stunning presentation at a dessert table.

• Baking them: they can be baked in different cake pans, one for each layer. But sometimes we don't have enough pans or space in the oven, so we can also bake them in a single pan and cut them in 2 (like I did today) or 3 layers, depending on what type of cake you're making.
• Batter: the batter is usually straightforward, meaning that it involves the usual suspects - butter, sugar, flour, eggs. Of course, there are a million recipe variations for layer cakes, but in essence, they all go back to traditional butter cakes, genoise, and other sponge cakes.
• Crumb: the texture might be denser or lighter depending on what recipe you choose and also what type of cake you're baking. If making a cake for a birthday or celebration (small wedding for instance), it is best to bake them a few days in advance before filling and frosting. Why? Because the crumb tightens so it's easier to fill and frost as it holds better.
• Storing and freezing: layer cakes can be kept for a few days in the fridge or up to a month in the freezer. Always wrap them well first in plastic and then in aluminum foil. Always label them with name and date. In time you'll find packages you didn't remember you stored and it will be good to know what it is and when it was baked.

Making blueberry frosting

This is a traditional cream cheese frosting with added fresh blueberries (image above), a hint of lemon zest, and a tiny bit of vanilla extract.

I process everything because it's the best way to crush those blueberries and lemon zest. This ensures that the frosting will be as smooth as possible and you won't bite into a large piece of lemon or blueberry skin.

My recipe for this frosting is simple: Half the amount of butter than cream cheese and powdered sugar until you have the consistency you desire. For this cake, I like it firm so it holds well as a filling as well as a frosting. Find the whole recipe in the card near the end of this post.

Filling this cake

I opted for a traditional cream cheese frosting with blueberries and lemon.

It complements the lemon cake wonderfully and is super easy to make. The food processor does it all. How can we argue with a recipe that is easy, fast, and delicious?

The original idea was to add the blueberries to the cake batter, but this version is easier and keeps better since the whole blueberries would add extra moisture to the batter. This way you have the same flavors but with less fuss.

• I make the cake layer a day or two in advance and keep them wrapped in plastic in the fridge. So with the frosting.
• Make sure the frosting is cold but spreadable. I can't emphasize this enough. If it's still too firm to spread it will stick to the cake and crumbs will mix with the filling while spreading it.

Frosting the cake

• A good tip for frosting a layer cake when you don't have a turntable or lazy susan is to use a cake stand and put pieces of parchment paper underneath the edges of the cake (image above).
• When you frost the sides you don't smear the cake stand itself but the paper. When you're finished they can be easily taken from under the cake because they're on the edges. Lift the cake slightly with a spatula or knife and take out the pieces of paper.
• I like the idea of naked cakes - when the sides are not completely covered - because I'm a very rustic baker and concentrate more on finding and posting amazing recipes than decorating techniques.

Top tips

• Organization: always read the recipe first and make sure you have all the ingredients, at the right temperatures, and also the rest of the equipment and space to make it. This will make the process so much easier!
• Baking time: keep in mind that all ovens and pans are different, even if they look the same or very similar. The baking time in my recipes is as accurate as it can be, but it might take you more or less time. You can use a thermometer that is placed inside the oven (like the OXO oven thermometer) to check that your oven is at the right temperature. I recommend you keep track of how your oven works and what tiny details you might need to adjust. 
• Baking the cake: my recommendation is to bake the cake layers 1 or 2 days in advance and keep them wrapped in plastic in the fridge. You can make them up to a month in advance and freeze them too, well wrapped and labeled.
• Frosting: it can be made up to a week in advance and kept in an airtight container in the fridge. Processing the ingredients together achieves the best consistency.
• Filling: make sure the cream cheese frosting is soft enough to spread easily. Otherwise, it will cling to the cake crumbs and make a mess. It should be cool but not cold and spread easily, like room t° butter. Fill it and pop the whole cake in the fridge to firm it up again before frosting it.
• Frosting: take the cake out from the fridge just when you are ready to frost it. A cold cake is easier to manage. You can make a naked cake (sort of what I made here), or completely frost the sides. The amount of frosting is enough.
• Storing: if the frosting is firm enough (that is, you added enough powdered sugar) the cake holds well at room t° for 2 days. Cover it with a cake dome if possible or lightly wrap it in plastic. This ensures it stays moist.
• Freezing: this cake can be frozen, well wrapped. Defrost it in the fridge first. Take into account that it will not come back to the exact state it was before being frozen. It will dry out slightly and have a tighter crumb. And don't freeze it twice if you already froze the layers before assembling the cake.

This lemon blueberry cake recipe covers all bases: easy, fresh, and full of flavor.

No matter what part of the world you're in right now, there are few cakes as cheerful and easy to devour as one with citrus and berries. It will make your day better if you're in spring or if you're in the middle of a rather dreary, rainy fall (like me, bummer).

For you guys celebrating the 4th of July soon, a small wedding on a budget, or any other summer celebration, let me tell you this recipe is spot on.

It's a keeper. I know I say that a lot - I do share great cake recipes in my defense - but I've made this one several times, with blueberries, without, with a mix of citrus. It's always a winner. And who doesn't love a winning recipe?.

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Let me know in the comments below if you made this recipe and loved it, and if you had issues, so we can troubleshoot together. I love to hear what you think, always. Thanks for being here, it's much appreciated.
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