Lemon Sour Cream Cake

🕒 Prep: 15 min
🔥 Cook: 1 hour
🍽 Serves: 8
★★★★★
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Looking for a cake that's perfectly moist and bursting with fresh lemon flavor? This Lemon Sour Cream Cake is just the ticket. With a bright glaze and a tender crumb, it's the perfect dessert to brighten up any occasion.

Lemon Sour Cream Cake

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Ingredients for Lemon Sour Cream Cake

Ingredients for Lemon Sour Cream Cake

The magic starts with butter, which provides a rich base and helps achieve a tender crumb. Sugar sweetens the deal, while eggs add structure and richness. The vanilla extract adds a warm, aromatic note that pairs beautifully with the fresh lemon juice and zest, which are the stars here for that unmistakable citrus zing. Sour cream ensures a moist texture, while buttermilk adds a subtle tang and helps with leavening, thanks to its acidity. The dry mix of flour, baking powder, baking soda, and salt works together to give the cake its structure and rise. Finally, the powdered sugar and additional lemon juice come together to create a simple, yet flavorful glaze that ties everything together.

Why This Lemon Sour Cream Cake Works

During mixing, the soft butter and sugar trap a lot of tiny air pockets as they are beaten together. Those little pockets stay inside the batter when the eggs, sour cream, and buttermilk go in, so the cake starts out already a bit fluffy before it even hits the oven. The sour cream and buttermilk bring in extra moisture and a bit of tang, and they also keep the batter from feeling heavy, even with all the flour.

As the cake bakes, the baking powder and baking soda react with the lemon juice and buttermilk. The batter rises and sets around those air bubbles, so the loaf comes out tall and soft instead of dense. Butter and sour cream keep the crumb tender, so the cake stays moist for days instead of drying out. Once the cake cools, the lemon glaze soaks a little into the top crust, adding more moisture and a thin, sweet-tart layer that clings to the surface instead of running off.

Lemon Sour Cream Cake Tips & Tricks

  • Room temperature ingredients blend more easily, helping to create a smoother batter.
  • Use fresh lemon juice and zest for the best flavor; bottled just doesn’t cut it here.
  • If you don’t have buttermilk on hand, a mixture of milk and a tablespoon of lemon juice or vinegar works as a substitute.
  • Let the cake cool fully before glazing to prevent the glaze from melting into the cake.

Mistakes To Avoid

Overbaking this loaf easily dries it out. Once it goes much past the 60‑minute mark, the edges and top start to firm up and turn hard while the inside loses moisture, so the cake ends up crumbly instead of soft and tender.

Adding all the flour at once instead of alternating with the buttermilk makes the batter thick and stiff. With no gentle thinning in between, the flour gets worked more, the gluten tightens, and the finished cake comes out dense instead of light.

Using cold butter instead of softened butter keeps it from creaming properly with the sugar. The mixture stays heavy and grainy, so less air gets trapped, and the cake bakes up low and tight rather than fluffy.

Pouring the glaze on while the cake is still warm causes it to soak in and disappear. The surface turns sticky and wet in spots instead of having a thin, smooth lemon layer on top.

Equipment Used:

9x5-inch loaf pan, mixing bowls, whisk, hand mixer, cooling rack

Ingredients

  1. 1 cup unsalted butter, softened
  2. 1 and 1/2 cups granulated sugar
  3. 3 large eggs
  4. 2 teaspoons vanilla extract
  5. 1/2 cup sour cream
  6. 1/4 cup fresh lemon juice
  7. 1 tablespoon lemon zest
  8. 2 and 1/2 cups all-purpose flour
  9. 2 teaspoons baking powder
  10. 1/2 teaspoon baking soda
  11. 1/2 teaspoon salt
  12. 1/2 cup buttermilk
  13. 1 cup powdered sugar
  14. 2 tablespoons fresh lemon juice (for glaze)

Step-by-step Instructions

  1. 1. Preheat the oven to 350°F (175°C). Grease and flour a 9x5-inch loaf pan.
  2. 2. In a large bowl, cream the butter and sugar together until light and fluffy. Add the eggs one at a time, beating well after each addition.
  3. 3. Mix in the vanilla extract, sour cream, lemon juice, and lemon zest until well combined.
  4. 4. In a separate bowl, whisk together flour, baking powder, baking soda, and salt.
  5. 5. Gradually add the dry ingredients to the wet mixture, alternating with the buttermilk, starting and ending with the flour mixture. Mix until just combined.
  6. 6. Pour the batter into the prepared loaf pan and smooth the top.
  7. 7. Bake for 50-60 minutes or until a toothpick inserted into the center comes out clean.
  8. 8. Let the cake cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.
  9. 9. For the glaze, mix powdered sugar with lemon juice until smooth and drizzle over the cooled cake.

Frequently Asked Questions

Can I freeze this cake?
Yes, wrap it tightly in plastic and freeze for up to 2 months. Thaw at room temperature before serving.
What if I don't have sour cream?
Greek yogurt is a great substitute for sour cream in this recipe.
How can I make this cake gluten-free?
Use a gluten-free all-purpose flour blend in place of regular flour.

Serving Ideas for Lemon Sour Cream Cake

This cake pairs beautifully with a scoop of vanilla ice cream or a dollop of whipped cream. For a fun twist, serve with a sprinkle of fresh berries on the side. It's also lovely with a hot cup of chamomile tea or a chilled glass of lemonade.

Ratings and Comments

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This recipe is for informational purposes only. Always follow proper food safety practices, cook foods to safe internal temperatures, and store leftovers appropriately. Results may vary.