| Food Blog by Arie
There is something about lemon and blueberry together that immediately makes a recipe feel bright, fresh, and perfect for spring or summer. This lemon blueberry coffee cake has a soft, buttery cake filled with fresh blueberries, a generous crumb topping, and a sweet lemon-vanilla glaze drizzled over the top. It is the kind of cake that works just as well for a slow Saturday morning as it does for brunch, a baby shower, a family gathering, or an afternoon treat with coffee.
This is not an overly complicated cake, but each layer brings something special to the finished dessert.
The cake itself is rich and moist from the melted butter and sour cream. Fresh lemon zest runs through the batter, giving it a fresh citrus flavor without making the cake taste sour. The blueberries add small bursts of sweetness and color throughout every slice.
Then there is the crumb topping. It creates a buttery, slightly crisp layer that contrasts with the tender cake underneath. Finally, the lemon-vanilla glaze brings all the flavors together and makes the coffee cake look especially inviting.
Although it is called coffee cake, there is no coffee in the recipe. Coffee cake gets its name because it is traditionally served alongside coffee or tea.
This cake is easy enough to make at home, but it looks and tastes like something you would pick up from a bakery.
You will love it because it is:
It also travels well once it has completely cooled, making it a good choice for potlucks, brunches, school events, church gatherings, or family celebrations. Check out my yummy breakfast casserole for breakfast here.
The eggs, sour cream, and milk should be at room temperature before they are added to the batter.
Room-temperature ingredients blend more smoothly with the melted butter and sugar. This helps create a more even batter and a softer cake texture. Very cold ingredients can cause the butter to firm up suddenly or make the batter appear lumpy.
To bring eggs to room temperature quickly, place them in a bowl of warm water for approximately five to ten minutes.
Measure the milk and sour cream before beginning the recipe and allow them to sit on the counter while you prepare the baking pan and crumb topping.
One of the most important steps in this recipe is rubbing the lemon zest into the cane sugar.
When you rub the zest and sugar together with your fingertips, the sugar helps release the natural oils from the lemon peel. You should notice that the sugar becomes slightly moist and strongly fragrant.
This technique creates a deeper lemon flavor than simply stirring the zest into the batter.
Use only the bright yellow outer portion of the lemon peel. Avoid grating the white pith underneath because it can taste bitter.
For the freshest flavor, zest the lemon before squeezing it for the glaze. It is much easier to zest a whole lemon than one that has already been cut and juiced.
This batter is fairly thick, which naturally helps suspend the blueberries. Still, there are a few things you can do to distribute them evenly.
Make sure the berries are dry before adding them to the batter. After washing them, spread them on a clean kitchen towel or paper towel and gently pat them dry.
Fold the berries into the batter carefully rather than stirring aggressively. Save a small handful to scatter over the crumb topping so the finished cake has visible blueberries on top.
You may also toss the berries with approximately one tablespoon of flour before folding them into the batter. This step is optional, but it may help prevent especially large or juicy blueberries from settling toward the bottom.
Use softened butter rather than melted butter for the topping.
The butter should be soft enough to mix into the sugar and flour but not greasy or runny. Use a fork, pastry cutter, or clean fingertips to work the ingredients together.
The finished mixture should contain a combination of small crumbs and larger clusters. Those larger pieces create the bakery-style topping people love.
Do not pack the crumb topping firmly onto the cake. Sprinkle it gently and evenly across the surface so it bakes into distinct, buttery crumbs.
Because this coffee cake is thick and covered with crumb topping, it may take between 50 and 60 minutes to bake completely.
Insert a toothpick or thin knife near the center of the cake. It should come out clean or with a few moist crumbs. It should not have wet cake batter on it.
The center should also appear set rather than jiggly, and the edges may begin pulling slightly away from the pan.
Avoid opening the oven repeatedly during the first portion of the baking time. Sudden temperature changes can interfere with the cake’s rise.
If the crumb topping begins browning too quickly before the center is finished, loosely cover the pan with aluminum foil for the remaining baking time.
It may be tempting to pour the glaze over the coffee cake as soon as it leaves the oven, but allowing the cake to cool first produces a better result.
If the cake is very hot, the glaze will melt into the topping and may disappear. Letting it cool for at least 20 minutes allows the topping to set and gives the glaze time to remain visible.
For thicker white ribbons of glaze, wait until the cake has cooled almost completely.
For a thinner glaze that settles slightly into the crumb topping, add it while the cake is still a little warm.
Glazes are easy to adjust.
When the glaze is too thick, add milk approximately one teaspoon at a time until it reaches the desired consistency.
When it is too thin, add more powdered sugar one tablespoon at a time.
The glaze should be thick enough to cling to a spoon but thin enough to drizzle over the cake.
Fresh lemon juice is best because it gives the glaze a brighter flavor. Bottled lemon juice can work in a pinch, but the taste may not be quite as fresh.
Yes, frozen blueberries may be used when fresh blueberries are unavailable.
Do not thaw them before adding them to the batter. Thawed berries release a large amount of juice and can turn the batter purple or make it overly wet.
Fold the frozen berries directly into the batter and be aware that the cake may need a few additional minutes in the oven.
Because frozen berries can release more moisture, check the center carefully before removing the cake from the oven.
You can replace the blueberries with raspberries, blackberries, or chopped strawberries.
Raspberries are delicate, so fold them into the batter very gently. Blackberries may need to be cut in half if they are especially large. Strawberries should be diced and patted dry before being added.
A mixed-berry version would also be delicious, but avoid adding significantly more than the amount listed in the recipe. Too much fruit can add excess moisture and prevent the center from baking properly.
Yes. The cake is still flavorful without the glaze because it already contains lemon zest, blueberries, and a sweet crumb topping.
For a less sweet version, leave the cake plain or lightly dust it with powdered sugar after it cools.
However, the glaze adds another layer of lemon and vanilla flavor and gives the cake a finished bakery-style appearance.
This cake may be made one day before serving.
Bake and cool the cake completely. Cover it tightly and store it at room temperature. For the freshest appearance, prepare and add the glaze shortly before serving.
You may also glaze it ahead of time, but make sure the glaze has set before covering the cake. Otherwise, the covering may stick to the surface.
Store the coffee cake in an airtight container at room temperature for up to two days.
For longer storage, refrigerate it for up to five days. Allow refrigerated slices to sit at room temperature for a few minutes before serving, or warm an individual slice briefly in the microwave.
Because the cake contains fresh fruit, avoid leaving it uncovered for extended periods. Covering it helps keep the cake soft and prevents the crumb topping from drying out.
Yes. Allow the cake to cool completely before freezing.
You can freeze the whole unglazed cake or wrap individual slices. Wrap the cake tightly in plastic wrap and place it inside a freezer-safe container or bag.
Freeze it for up to two or three months.
Thaw the cake overnight in the refrigerator or for several hours at room temperature. For the best results, add fresh glaze after the cake has thawed.
Serve this coffee cake with:
It is sweet enough for dessert but still feels appropriate for breakfast or brunch.
Most American coffee cakes do not contain coffee. The name refers to a sweet cake traditionally enjoyed with a cup of coffee.
Use a 9-by-9-inch square baking dish or a 10-inch round pan. A similarly sized baking pan may work, but the baking time can change depending on the pan’s depth and material.
Salted butter can be used in the cake if that is what you have. For the crumb topping, unsalted butter provides better control over the flavor. When using salted butter throughout the recipe, consider reducing or omitting some of the added salt.
Yes. Granulated white sugar can replace cane sugar in equal amounts.
Plain full-fat Greek yogurt is the best substitute for sour cream. Use the same amount. The flavor and texture may vary slightly, but the cake should still remain moist.
A small amount of lemon extract can strengthen the flavor, but it should not completely replace the fresh zest. Start with approximately ¼ teaspoon because lemon extract can become overpowering.
Dry coffee cake is often caused by overbaking, adding too much flour, or overmixing the batter. Measure flour by lightly spooning it into the measuring cup and leveling the top rather than packing it down.
The cake may sink if it is removed from the oven before the center is fully baked. It can also happen when the batter is overmixed, the oven door is opened too early, or too many blueberries are added.
This is a thick coffee cake with a generous amount of topping. Depending on your oven and pan, it may need the full 60 minutes. Loosely cover the top with foil if it begins browning before the center is ready.
It can be served slightly warm, at room temperature, or chilled. I prefer allowing it to cool long enough for the crumb topping and glaze to set before slicing.
This lemon blueberry coffee cake brings together a moist lemon cake, juicy blueberries, buttery crumbs, and a sweet lemon-vanilla glaze. It feels special enough to serve for a celebration but is still simple enough to bake for a quiet weekend at home.
Serve a thick slice with coffee in the morning, add it to a brunch table, or enjoy it as an afternoon dessert. No matter when you serve it, the fresh lemon flavor and blueberry-filled center make it a recipe worth saving.